Highest scored 'python' questions

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What does it do? For example, I'm trying to understand this code1: def _get_child_candidates(self, distance, min_dist, max_dist): if self._leftchild ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-iterator t-generator"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/iterator" class="post-tag flex--item mt0 js-tagname-iterator" title="show questions tagged 'iterator'" aria-label="show questions tagged 'iterator'" rel="tag" aria-labelledby="tag-iterator-tooltip-container">iterator</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/generator" class="post-tag flex--item mt0 js-tagname-generator" title="show questions tagged 'generator'" aria-label="show questions tagged 'generator'" rel="tag" aria-labelledby="tag-generator-tooltip-container">generator</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/18300/alex-s" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="18300"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://i.stack.imgur.com/jcyI4.jpg?s=32&g=1" alt="Alex. 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S.</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 141,212" dir="ltr">141k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-10-23 22:21:11Z" class="relativetime">Oct 23, 2008 at 22:21</span></time> </div> </div> </div> </div> <div id="question-summary-419163" class="s-post-summary js-post-summary" data-post-id="419163" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 7940"> <span class="s-post-summary--stats-item-number">7940</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">45</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="4362274 views"> <span class="s-post-summary--stats-item-number">4.4m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/419163/what-does-if-name-main-do" class="s-link">What does if __name__ == "__main__": do?</a> </h3> <div class="s-post-summary--content-excerpt"> What does this do, and why should one include the if statement? if __name__ == "__main__": print("Hello, World!") If you are trying to close a question where someone should be ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-namespaces t-program-entry-point t-python-module t-idioms"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/namespaces" class="post-tag flex--item mt0 js-tagname-namespaces" title="show questions tagged 'namespaces'" aria-label="show questions tagged 'namespaces'" rel="tag" aria-labelledby="tag-namespaces-tooltip-container">namespaces</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/program-entry-point" class="post-tag flex--item mt0 js-tagname-program-entry-point" title="show questions tagged 'program-entry-point'" aria-label="show questions tagged 'program-entry-point'" rel="tag" aria-labelledby="tag-program-entry-point-tooltip-container">program-entry-point</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python-module" class="post-tag flex--item mt0 js-tagname-python-module" title="show questions tagged 'python-module'" aria-label="show questions tagged 'python-module'" rel="tag" aria-labelledby="tag-python-module-tooltip-container">python-module</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/idioms" class="post-tag flex--item mt0 js-tagname-idioms" title="show questions tagged 'idioms'" aria-label="show questions tagged 'idioms'" rel="tag" aria-labelledby="tag-idioms-tooltip-container">idioms</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/51518/devoted" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="51518"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/eb5a95cb1be342c4089183cd8232a7f2?s=32&d=identicon&r=PG" alt="Devoted's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/51518/devoted" class="flex--item">Devoted</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 175,019" dir="ltr">175k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-01-07 04:11:00Z" class="relativetime">Jan 7, 2009 at 4:11</span></time> </div> </div> </div> </div> <div id="question-summary-394809" class="s-post-summary js-post-summary" data-post-id="394809" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 7651"> <span class="s-post-summary--stats-item-number">7651</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">31</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="2713184 views"> <span class="s-post-summary--stats-item-number">2.7m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/394809/does-python-have-a-ternary-conditional-operator" class="s-link">Does Python have a ternary conditional operator?</a> </h3> <div class="s-post-summary--content-excerpt"> Is there a ternary conditional operator in Python? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-operators t-conditional-operator"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/operators" class="post-tag flex--item mt0 js-tagname-operators" title="show questions tagged 'operators'" aria-label="show questions tagged 'operators'" rel="tag" aria-labelledby="tag-operators-tooltip-container">operators</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/conditional-operator" class="post-tag flex--item mt0 js-tagname-conditional-operator" title="show questions tagged 'conditional-operator'" aria-label="show questions tagged 'conditional-operator'" rel="tag" aria-labelledby="tag-conditional-operator-tooltip-container">conditional-operator</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/51518/devoted" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="51518"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/eb5a95cb1be342c4089183cd8232a7f2?s=32&d=identicon&r=PG" alt="Devoted's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/51518/devoted" class="flex--item">Devoted</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 175,019" dir="ltr">175k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-12-27 08:32:18Z" class="relativetime">Dec 27, 2008 at 8:32</span></time> </div> </div> </div> </div> <div id="question-summary-100003" class="s-post-summary js-post-summary" data-post-id="100003" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 7144"> <span class="s-post-summary--stats-item-number">7144</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">25</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="1093941 views"> <span class="s-post-summary--stats-item-number">1.1m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/100003/what-are-metaclasses-in-python" class="s-link">What are metaclasses in Python?</a> </h3> <div class="s-post-summary--content-excerpt"> What are metaclasses? What are they used for? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-oop t-metaclass t-python-class t-python-datamodel"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/oop" class="post-tag flex--item mt0 js-tagname-oop" title="show questions tagged 'oop'" aria-label="show questions tagged 'oop'" rel="tag" aria-labelledby="tag-oop-tooltip-container">oop</a></li><li class="d-inline mr4 js-post-tag-list-item"><a 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06:10:46Z" class="relativetime">Sep 19, 2008 at 6:10</span></time> </div> </div> </div> </div> <div id="question-summary-82831" class="s-post-summary js-post-summary" data-post-id="82831" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 6915"> <span class="s-post-summary--stats-item-number">6915</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers " title="40 answers"> <span class="s-post-summary--stats-item-number">40</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="5128344 views"> <span class="s-post-summary--stats-item-number">5.1m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/82831/how-do-i-check-whether-a-file-exists-without-exceptions" class="s-link">How do I check whether a file exists without exceptions?</a> </h3> <div class="s-post-summary--content-excerpt"> How do I check whether a file exists or not, without using the try statement? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-file t-file-exists"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/file" class="post-tag 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two dictionaries into a new dictionary. x = {'a': 1, 'b': 2} y = {'b': 3, 'c': 4} z = merge(x, y) >>> z {'a': 1, 'b': 3, 'c': 4} Whenever a key k is present in both ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-dictionary t-merge"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/dictionary" class="post-tag flex--item mt0 js-tagname-dictionary" title="show questions tagged 'dictionary'" aria-label="show questions tagged 'dictionary'" rel="tag" 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t-python t-shell t-terminal t-subprocess t-command"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/shell" class="post-tag flex--item mt0 js-tagname-shell" title="show questions tagged 'shell'" aria-label="show questions tagged 'shell'" rel="tag" aria-labelledby="tag-shell-tooltip-container">shell</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/terminal" class="post-tag flex--item mt0 js-tagname-terminal" title="show questions tagged 'terminal'" 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href="/web/20230306154331/https://stackoverflow.com/questions/273192/how-can-i-safely-create-a-directory-possibly-including-intermediate-directories" class="s-link">How can I safely create a directory (possibly including intermediate directories)?</a> </h3> <div class="s-post-summary--content-excerpt"> I am writing a file using Python, and I want it to be placed in a specific path. How can I safely make sure that the path exists? That is: how can I check whether the folder exists, along with its ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-exception t-path t-directory t-operating-system"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/exception" class="post-tag flex--item mt0 js-tagname-exception" title="show questions tagged 'exception'" aria-label="show questions tagged 'exception'" rel="tag" aria-labelledby="tag-exception-tooltip-container">exception</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/path" class="post-tag flex--item mt0 js-tagname-path" title="show questions tagged 'path'" aria-label="show questions tagged 'path'" rel="tag" aria-labelledby="tag-path-tooltip-container">path</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/directory" class="post-tag flex--item mt0 js-tagname-directory" title="show questions tagged 'directory'" aria-label="show questions tagged 'directory'" rel="tag" aria-labelledby="tag-directory-tooltip-container">directory</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/operating-system" class="post-tag flex--item mt0 js-tagname-operating-system" title="show questions tagged 'operating-system'" aria-label="show questions tagged 'operating-system'" rel="tag" aria-labelledby="tag-operating-system-tooltip-container">operating-system</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/13055/parand" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="13055"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/ab82fd8b5ffe4d09c2bb5f9c14d34b09?s=32&d=identicon&r=PG" alt="Parand's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/13055/parand" class="flex--item">Parand</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 101,440" dir="ltr">101k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-11-07 18:56:45Z" class="relativetime">Nov 7, 2008 at 18:56</span></time> </div> </div> </div> </div> <div id="question-summary-522563" class="s-post-summary js-post-summary" data-post-id="522563" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 5068"> <span class="s-post-summary--stats-item-number">5068</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">26</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="3780336 views"> <span class="s-post-summary--stats-item-number">3.8m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/522563/accessing-the-index-in-for-loops" class="s-link">Accessing the index in 'for' loops</a> </h3> <div class="s-post-summary--content-excerpt"> How do I access the index while iterating over a sequence with a for loop? xs = [8, 23, 45] for x in xs: print("item #{} = {}".format(index, x)) Desired output: item #1 = 8 item #2 = ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-loops t-list"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/loops" class="post-tag flex--item mt0 js-tagname-loops" title="show questions tagged 'loops'" aria-label="show questions tagged 'loops'" rel="tag" aria-labelledby="tag-loops-tooltip-container">loops</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/list" class="post-tag flex--item mt0 js-tagname-list" title="show questions tagged 'list'" aria-label="show questions tagged 'list'" rel="tag" aria-labelledby="tag-list-tooltip-container">list</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/51816/joan-venge" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="51816"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/0e54bb28182bcd9df39704751306df27?s=32&d=identicon&r=PG" alt="Joan Venge's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/51816/joan-venge" class="flex--item">Joan Venge</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 308,459" dir="ltr">308k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-02-06 22:47:54Z" class="relativetime">Feb 6, 2009 at 22:47</span></time> </div> </div> </div> </div> <div id="question-summary-952914" class="s-post-summary js-post-summary" data-post-id="952914" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 5052"> <span class="s-post-summary--stats-item-number">5052</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">34</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="3855174 views"> <span class="s-post-summary--stats-item-number">3.9m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/952914/how-do-i-make-a-flat-list-out-of-a-list-of-lists" class="s-link">How do I make a flat list out of a list of lists?</a> </h3> <div class="s-post-summary--content-excerpt"> I have a list of lists like [[1, 2, 3], [4, 5, 6], [7], [8, 9]]. How can I flatten it to get [1, 2, 3, 4, 5, 6, 7, 8, 9]? If your list of lists comes from a nested list comprehension, the problem can ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-list t-multidimensional-array t-flatten"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/list" class="post-tag flex--item mt0 js-tagname-list" title="show questions tagged 'list'" aria-label="show questions tagged 'list'" rel="tag" aria-labelledby="tag-list-tooltip-container">list</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/multidimensional-array" class="post-tag flex--item mt0 js-tagname-multidimensional-array" title="show questions tagged 'multidimensional-array'" aria-label="show questions tagged 'multidimensional-array'" rel="tag" aria-labelledby="tag-multidimensional-array-tooltip-container">multidimensional-array</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/flatten" class="post-tag flex--item mt0 js-tagname-flatten" title="show questions tagged 'flatten'" aria-label="show questions tagged 'flatten'" rel="tag" aria-labelledby="tag-flatten-tooltip-container">flatten</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/110527/emma" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="110527"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/1a3fec384503a3e0b33361f146006598?s=32&d=identicon&r=PG" alt="Emma's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/110527/emma" class="flex--item">Emma</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 51,283" dir="ltr">51.3k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-06-04 20:30:05Z" class="relativetime">Jun 4, 2009 at 20:30</span></time> </div> </div> </div> </div> <div id="question-summary-136097" class="s-post-summary js-post-summary" data-post-id="136097" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 4504"> <span class="s-post-summary--stats-item-number">4504</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">35</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="1023968 views"> <span class="s-post-summary--stats-item-number">1.0m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/136097/difference-between-staticmethod-and-classmethod" class="s-link">Difference between @staticmethod and @classmethod</a> </h3> <div class="s-post-summary--content-excerpt"> What is the difference between a method decorated with @staticmethod and one decorated with @classmethod? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-oop t-methods t-python-decorators"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/oop" class="post-tag flex--item mt0 js-tagname-oop" title="show questions tagged 'oop'" aria-label="show questions tagged 'oop'" rel="tag" aria-labelledby="tag-oop-tooltip-container">oop</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/methods" class="post-tag flex--item mt0 js-tagname-methods" title="show questions tagged 'methods'" aria-label="show questions tagged 'methods'" rel="tag" aria-labelledby="tag-methods-tooltip-container">methods</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python-decorators" class="post-tag flex--item mt0 js-tagname-python-decorators" title="show questions tagged 'python-decorators'" aria-label="show questions tagged 'python-decorators'" rel="tag" aria-labelledby="tag-python-decorators-tooltip-container">python-decorators</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/4766/daryl-spitzer" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="4766"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/56dbb3799dd6358c3bee3468d0328046?s=32&d=identicon&r=PG" alt="Daryl Spitzer's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/4766/daryl-spitzer" class="flex--item">Daryl Spitzer</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 140,502" dir="ltr">141k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-09-25 21:01:57Z" class="relativetime">Sep 25, 2008 at 21:01</span></time> </div> </div> </div> </div> <div id="question-summary-509211" class="s-post-summary js-post-summary" data-post-id="509211" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 4447"> <span class="s-post-summary--stats-item-number">4447</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">38</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="2824472 views"> <span class="s-post-summary--stats-item-number">2.8m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/509211/understanding-slicing" class="s-link">Understanding slicing</a> </h3> <div class="s-post-summary--content-excerpt"> How does Python's slice notation work? That is: when I write code like a[x:y:z], a[:], a[::2] etc., how can I understand which elements end up in the slice? Please include references where appropriate.... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-slice t-sequence"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/slice" class="post-tag flex--item mt0 js-tagname-slice" title="show questions tagged 'slice'" aria-label="show questions tagged 'slice'" rel="tag" aria-labelledby="tag-slice-tooltip-container">slice</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/sequence" class="post-tag flex--item mt0 js-tagname-sequence" title="show questions tagged 'sequence'" aria-label="show questions tagged 'sequence'" rel="tag" aria-labelledby="tag-sequence-tooltip-container">sequence</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/24039/simon" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="24039"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/56e7993be670c363354b696cff311172?s=32&d=identicon&r=PG" alt="Simon's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/24039/simon" class="flex--item">Simon</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 77,709" dir="ltr">77.7k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-02-03 22:31:02Z" class="relativetime">Feb 3, 2009 at 22:31</span></time> </div> </div> </div> </div> <div id="question-summary-176918" class="s-post-summary js-post-summary" data-post-id="176918" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 4253"> <span class="s-post-summary--stats-item-number">4253</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">44</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="5834281 views"> <span class="s-post-summary--stats-item-number">5.8m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/176918/finding-the-index-of-an-item-in-a-list" class="s-link">Finding the index of an item in a list</a> </h3> <div class="s-post-summary--content-excerpt"> Given a list ["foo", "bar", "baz"] and an item in the list "bar", how do I get its index 1? 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js-post-summary" data-post-id="6470428" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3676"> <span class="s-post-summary--stats-item-number">3676</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">6</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="1341106 views"> <span class="s-post-summary--stats-item-number">1.3m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/6470428/catch-multiple-exceptions-in-one-line-except-block" class="s-link">Catch multiple exceptions in one line (except block)</a> </h3> <div class="s-post-summary--content-excerpt"> I know that I can do: try: # do something that may fail except: # do this if ANYTHING goes wrong I can also do this: try: # do something that may fail except IDontLikeYouException: #... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-exception"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" 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class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/198633/inspectorg4dget" class="flex--item">inspectorG4dget</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 108,542" dir="ltr">109k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2011-06-24 15:55:08Z" class="relativetime">Jun 24, 2011 at 15:55</span></time> </div> </div> </div> </div> <div id="question-summary-3437059" class="s-post-summary js-post-summary" data-post-id="3437059" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3588"> <span class="s-post-summary--stats-item-number">3588</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">10</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="6317784 views"> <span class="s-post-summary--stats-item-number">6.3m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/3437059/does-python-have-a-string-contains-substring-method" class="s-link">Does Python have a string 'contains' substring method?</a> </h3> <div class="s-post-summary--content-excerpt"> I'm looking for a string.contains or string.indexof method in Python. I want to do: if not somestring.contains("blah"): continue </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-string t-substring t-contains"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/string" class="post-tag flex--item mt0 js-tagname-string" title="show questions tagged 'string'" aria-label="show questions tagged 'string'" rel="tag" aria-labelledby="tag-string-tooltip-container">string</a></li><li class="d-inline mr4 js-post-tag-list-item"><a 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s-post-summary--stats-item__emphasized" title="Score of 3587"> <span class="s-post-summary--stats-item-number">3587</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">22</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="4628362 views"> <span class="s-post-summary--stats-item-number">4.6m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/606191/convert-bytes-to-a-string" class="s-link">Convert bytes to a string</a> </h3> <div class="s-post-summary--content-excerpt"> I captured the standard output of an external program into a bytes object: >>> from subprocess import * >>> command_stdout = Popen(['ls', '-l'], stdout=PIPE).communicate()[0] >>... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-string t-python-3ûx"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a 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s-post-summary--stats-item__emphasized" title="Score of 3578"> <span class="s-post-summary--stats-item-number">3578</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">28</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="925980 views"> <span class="s-post-summary--stats-item-number">926k</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/1436703/what-is-the-difference-between-str-and-repr" class="s-link">What is the difference between __str__ and __repr__?</a> </h3> <div class="s-post-summary--content-excerpt"> What is the difference between __str__ and __repr__ in Python? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-magic-methods t-repr"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/magic-methods" class="post-tag flex--item mt0 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class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/165495/casebash" class="flex--item">Casebash</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 112,545" dir="ltr">113k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-09-17 04:27:45Z" class="relativetime">Sep 17, 2009 at 4:27</span></time> </div> </div> </div> </div> <div id="question-summary-123198" class="s-post-summary js-post-summary" data-post-id="123198" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3568"> <span class="s-post-summary--stats-item-number">3568</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">25</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="3217058 views"> <span class="s-post-summary--stats-item-number">3.2m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/123198/how-to-copy-files" class="s-link">How to copy files</a> </h3> <div class="s-post-summary--content-excerpt"> How do I copy a file in Python? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-file t-copy t-filesystems t-file-copying"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/file" class="post-tag flex--item mt0 js-tagname-file" title="show questions tagged 'file'" aria-label="show questions tagged 'file'" rel="tag" aria-labelledby="tag-file-tooltip-container">file</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/copy" class="post-tag flex--item mt0 js-tagname-copy" title="show 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href="/web/20230306154331/https://stackoverflow.com/users/17693/matt" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="17693"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://i.stack.imgur.com/JgeMc.png?s=32&g=1" alt="Matt's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/17693/matt" class="flex--item">Matt</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 82,511" dir="ltr">82.5k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-09-23 19:23:48Z" class="relativetime">Sep 23, 2008 at 19:23</span></time> </div> </div> </div> </div> <div id="question-summary-448271" class="s-post-summary js-post-summary" data-post-id="448271" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3493"> <span class="s-post-summary--stats-item-number">3493</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">14</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="2116649 views"> <span class="s-post-summary--stats-item-number">2.1m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/448271/what-is-init-py-for" class="s-link">What is __init__.py for?</a> </h3> <div class="s-post-summary--content-excerpt"> What is __init__.py for in a Python source directory? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-module t-package t-python-packaging"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/module" class="post-tag flex--item mt0 js-tagname-module" 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data-post-id="3207219" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3467"> <span class="s-post-summary--stats-item-number">3467</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers " title="21 answers"> <span class="s-post-summary--stats-item-number">21</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="7526162 views"> <span class="s-post-summary--stats-item-number">7.5m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/3207219/how-do-i-list-all-files-of-a-directory" class="s-link">How do I list all files of a directory?</a> </h3> <div class="s-post-summary--content-excerpt"> How can I list all files of a directory in Python and add them to a list? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-directory"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/directory" class="post-tag flex--item mt0 js-tagname-directory" title="show questions tagged 'directory'" aria-label="show questions tagged 'directory'" rel="tag" aria-labelledby="tag-directory-tooltip-container">directory</a></li></ul> </div> <div 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</div> </div> </div> <div id="question-summary-1024847" class="s-post-summary js-post-summary" data-post-id="1024847" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3433"> <span class="s-post-summary--stats-item-number">3433</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">20</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="5104732 views"> <span class="s-post-summary--stats-item-number">5.1m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/1024847/how-can-i-add-new-keys-to-a-dictionary" class="s-link">How can I add new keys to a dictionary?</a> </h3> <div class="s-post-summary--content-excerpt"> How do I add a key to an existing dictionary? It doesn't have an .add() method. </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-dictionary t-lookup"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/dictionary" class="post-tag flex--item mt0 js-tagname-dictionary" title="show questions tagged 'dictionary'" aria-label="show questions tagged 'dictionary'" rel="tag" aria-labelledby="tag-dictionary-tooltip-container">dictionary</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/lookup" class="post-tag flex--item mt0 js-tagname-lookup" title="show questions tagged 'lookup'" aria-label="show questions tagged 'lookup'" rel="tag" aria-labelledby="tag-lookup-tooltip-container">lookup</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/90777/lfaraone" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="90777"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/43918f842a892d0deb9ef1d8dcc9fe49?s=32&d=identicon&r=PG" alt="lfaraone's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/90777/lfaraone" class="flex--item">lfaraone</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 49,084" dir="ltr">49.1k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-06-21 22:07:39Z" class="relativetime">Jun 21, 2009 at 22:07</span></time> </div> </div> </div> </div> <div id="question-summary-613183" class="s-post-summary js-post-summary" data-post-id="613183" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3416"> <span class="s-post-summary--stats-item-number">3416</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">34</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="4947976 views"> <span class="s-post-summary--stats-item-number">4.9m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/613183/how-do-i-sort-a-dictionary-by-value" class="s-link">How do I sort a dictionary by value?</a> </h3> <div class="s-post-summary--content-excerpt"> I have a dictionary of values read from two fields in a database: a string field and a numeric field. The string field is unique, so that is the key of the dictionary. I can sort on the keys, but how ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-sorting t-dictionary"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/sorting" class="post-tag flex--item mt0 js-tagname-sorting" title="show questions tagged 'sorting'" aria-label="show questions tagged 'sorting'" rel="tag" aria-labelledby="tag-sorting-tooltip-container">sorting</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/dictionary" class="post-tag flex--item mt0 js-tagname-dictionary" title="show questions tagged 'dictionary'" aria-label="show questions tagged 'dictionary'" rel="tag" aria-labelledby="tag-dictionary-tooltip-container">dictionary</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/2786/gern-blanston" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="2786"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/a82355039ccbe7d12a8ffee222dc225d?s=32&d=identicon&r=PG" alt="Gern Blanston's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/2786/gern-blanston" class="flex--item">Gern Blanston</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 42,354" dir="ltr">42.4k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-03-05 00:49:05Z" class="relativetime">Mar 5, 2009 at 0:49</span></time> </div> </div> </div> </div> <div id="question-summary-17071871" class="s-post-summary js-post-summary" data-post-id="17071871" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3288"> <span class="s-post-summary--stats-item-number">3288</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">16</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="5611604 views"> <span class="s-post-summary--stats-item-number">5.6m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/17071871/how-do-i-select-rows-from-a-dataframe-based-on-column-values" class="s-link">How do I select rows from a DataFrame based on column values?</a> </h3> <div class="s-post-summary--content-excerpt"> How can I select rows from a DataFrame based on values in some column in Pandas? In SQL, I would use: SELECT * FROM table WHERE column_name = some_value </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-pandas t-dataframe"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/pandas" class="post-tag flex--item mt0 js-tagname-pandas" title="show questions tagged 'pandas'" aria-label="show questions tagged 'pandas'" rel="tag" aria-labelledby="tag-pandas-tooltip-container">pandas</a></li><li class="d-inline mr4 js-post-tag-list-item"><a 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6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">33</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="242789 views"> <span class="s-post-summary--stats-item-number">243k</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/1132941/least-astonishment-and-the-mutable-default-argument" class="s-link">"Least Astonishment" and the Mutable Default Argument</a> </h3> <div class="s-post-summary--content-excerpt"> Anyone tinkering with Python long enough has been bitten (or torn to pieces) by the following issue: def foo(a=[]): a.append(5) return a Python novices would expect this function called with ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python 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s-post-summary--stats-item__emphasized" title="Score of 3244"> <span class="s-post-summary--stats-item-number">3244</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">31</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="4075162 views"> <span class="s-post-summary--stats-item-number">4.1m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/1720421/how-do-i-concatenate-two-lists-in-python" class="s-link">How do I concatenate two lists in Python?</a> </h3> <div class="s-post-summary--content-excerpt"> How do I concatenate two lists in Python? Example: listone = [1, 2, 3] listtwo = [4, 5, 6] Expected outcome: >>> joinedlist [1, 2, 3, 4, 5, 6] </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-list t-concatenation"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/list" class="post-tag flex--item mt0 js-tagname-list" title="show questions tagged 'list'" aria-label="show questions tagged 'list'" rel="tag" aria-labelledby="tag-list-tooltip-container">list</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/concatenation" class="post-tag flex--item mt0 js-tagname-concatenation" title="show questions tagged 'concatenation'" aria-label="show questions tagged 'concatenation'" rel="tag" aria-labelledby="tag-concatenation-tooltip-container">concatenation</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/206504/y2k" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="206504"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/b6a63b3808f15037e9044a43f0620ffd?s=32&d=identicon&r=PG" alt="y2k's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/206504/y2k" class="flex--item">y2k</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 65,048" dir="ltr">65k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-11-12 07:04:09Z" class="relativetime">Nov 12, 2009 at 7:04</span></time> </div> </div> </div> </div> <div id="question-summary-36901" class="s-post-summary js-post-summary" data-post-id="36901" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3239"> <span class="s-post-summary--stats-item-number">3239</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">25</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="1222926 views"> <span class="s-post-summary--stats-item-number">1.2m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/36901/what-does-double-star-asterisk-and-star-asterisk-do-for-parameters" class="s-link">What does ** (double star/asterisk) and * (star/asterisk) do for parameters?</a> </h3> <div class="s-post-summary--content-excerpt"> What do *args and **kwargs mean in these function definitions? def foo(x, y, *args): pass def bar(x, y, **kwargs): pass See What do ** (double star/asterisk) and * (star/asterisk) mean in a ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-syntax t-parameter-passing t-variadic-functions t-argument-unpacking"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/syntax" class="post-tag flex--item mt0 js-tagname-syntax" title="show questions tagged 'syntax'" aria-label="show questions tagged 'syntax'" rel="tag" aria-labelledby="tag-syntax-tooltip-container">syntax</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/parameter-passing" class="post-tag flex--item mt0 js-tagname-parameter-passing" title="show questions tagged 'parameter-passing'" aria-label="show questions tagged 'parameter-passing'" rel="tag" aria-labelledby="tag-parameter-passing-tooltip-container">parameter-passing</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/variadic-functions" class="post-tag flex--item mt0 js-tagname-variadic-functions" title="show questions tagged 'variadic-functions'" aria-label="show questions tagged 'variadic-functions'" rel="tag" aria-labelledby="tag-variadic-functions-tooltip-container">variadic-functions</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/argument-unpacking" class="post-tag flex--item mt0 js-tagname-argument-unpacking" title="show questions tagged 'argument-unpacking'" aria-label="show questions tagged 'argument-unpacking'" rel="tag" aria-labelledby="tag-argument-unpacking-tooltip-container">argument-unpacking</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/2572/todd" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="2572"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/133b9402dcc48504a13732d459b7eaa8?s=32&d=identicon&r=PG" alt="Todd's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/2572/todd" class="flex--item">Todd</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 33,720" dir="ltr">33.7k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-08-31 15:04:35Z" class="relativetime">Aug 31, 2008 at 15:04</span></time> </div> </div> </div> </div> <div id="question-summary-53513" class="s-post-summary js-post-summary" data-post-id="53513" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3229"> <span class="s-post-summary--stats-item-number">3229</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">27</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="4519384 views"> <span class="s-post-summary--stats-item-number">4.5m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/53513/how-do-i-check-if-a-list-is-empty" class="s-link">How do I check if a list is empty?</a> </h3> <div class="s-post-summary--content-excerpt"> For example, if passed the following: a = [] How do I check to see if a is empty? 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How do I pass by reference so that the code below outputs 'Changed' instead of 'Original'? class PassByReference: def __init__(self): self.... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-reference t-parameter-passing t-pass-by-reference"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/reference" class="post-tag flex--item mt0 js-tagname-reference" title="show questions tagged 'reference'" aria-label="show questions tagged 'reference'" rel="tag" aria-labelledby="tag-reference-tooltip-container">reference</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/parameter-passing" class="post-tag flex--item mt0 js-tagname-parameter-passing" title="show questions tagged 'parameter-passing'" aria-label="show questions tagged 'parameter-passing'" rel="tag" aria-labelledby="tag-parameter-passing-tooltip-container">parameter-passing</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/pass-by-reference" class="post-tag flex--item mt0 js-tagname-pass-by-reference" title="show questions tagged 'pass-by-reference'" aria-label="show questions tagged 'pass-by-reference'" rel="tag" aria-labelledby="tag-pass-by-reference-tooltip-container">pass-by-reference</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/259/david-sykes" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="259"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/0c95a3798d9a008b6c29605b8f15b47a?s=32&d=identicon&r=PG" alt="David Sykes's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/259/david-sykes" class="flex--item">David Sykes</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 47,734" dir="ltr">47.7k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-06-12 10:23:51Z" class="relativetime">Jun 12, 2009 at 10:23</span></time> </div> </div> </div> </div> <div id="question-summary-2612802" class="s-post-summary js-post-summary" data-post-id="2612802" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3198"> <span class="s-post-summary--stats-item-number">3198</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">24</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="2092590 views"> <span class="s-post-summary--stats-item-number">2.1m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/2612802/how-do-i-clone-a-list-so-that-it-doesnt-change-unexpectedly-after-assignment" class="s-link">How do I clone a list so that it doesn't change unexpectedly after assignment?</a> </h3> <div class="s-post-summary--content-excerpt"> While using new_list = my_list, any modifications to new_list changes my_list every time. Why is this, and how can I clone or copy the list to prevent it? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-list t-reference t-clone t-pass-by-value"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/list" class="post-tag flex--item mt0 js-tagname-list" title="show questions tagged 'list'" aria-label="show questions tagged 'list'" rel="tag" aria-labelledby="tag-list-tooltip-container">list</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/reference" class="post-tag flex--item mt0 js-tagname-reference" title="show questions tagged 'reference'" aria-label="show questions tagged 'reference'" rel="tag" aria-labelledby="tag-reference-tooltip-container">reference</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/clone" class="post-tag flex--item mt0 js-tagname-clone" title="show questions tagged 'clone'" aria-label="show questions tagged 'clone'" rel="tag" aria-labelledby="tag-clone-tooltip-container">clone</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/pass-by-value" class="post-tag flex--item mt0 js-tagname-pass-by-value" title="show questions tagged 'pass-by-value'" aria-label="show questions tagged 'pass-by-value'" rel="tag" aria-labelledby="tag-pass-by-value-tooltip-container">pass-by-value</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/187730/af" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="187730"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/779f1fe080fea457f5ab867d34572363?s=32&d=identicon&r=PG" alt="aF.'s user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/187730/af" class="flex--item">aF.</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 64,172" dir="ltr">64.2k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2010-04-10 08:49:46Z" class="relativetime">Apr 10, 2010 at 8:49</span></time> </div> </div> </div> </div> <div id="question-summary-6996603" class="s-post-summary js-post-summary" data-post-id="6996603" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3174"> <span class="s-post-summary--stats-item-number">3174</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">15</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="3106834 views"> <span class="s-post-summary--stats-item-number">3.1m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/6996603/how-can-i-delete-a-file-or-folder-in-python" class="s-link">How can I delete a file or folder in Python?</a> </h3> <div class="s-post-summary--content-excerpt"> How can I delete a file or folder? 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[duplicate]</a> </h3> <div class="s-post-summary--content-excerpt"> How do I put a time delay in a Python script? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-delay t-sleep t-timedelay"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/delay" class="post-tag flex--item mt0 js-tagname-delay" title="show questions tagged 'delay'" aria-label="show questions tagged 'delay'" rel="tag" aria-labelledby="tag-delay-tooltip-container">delay</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/sleep" class="post-tag flex--item mt0 js-tagname-sleep" title="show questions tagged 'sleep'" aria-label="show questions tagged 'sleep'" rel="tag" aria-labelledby="tag-sleep-tooltip-container">sleep</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/timedelay" class="post-tag flex--item mt0 js-tagname-timedelay" title="show questions tagged 'timedelay'" aria-label="show questions tagged 'timedelay'" rel="tag" aria-labelledby="tag-timedelay-tooltip-container">timedelay</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/46646/user46646" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="46646"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/a1e278de9bdbf3ecd96d0d786fa97392?s=32&d=identicon&r=PG" alt="user46646's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/46646/user46646" class="flex--item">user46646</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 150,663" dir="ltr">151k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-02-04 07:04:09Z" class="relativetime">Feb 4, 2009 at 7:04</span></time> </div> </div> </div> </div> <div id="question-summary-576169" class="s-post-summary js-post-summary" data-post-id="576169" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3133"> <span class="s-post-summary--stats-item-number">3133</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">7</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="2448344 views"> <span class="s-post-summary--stats-item-number">2.4m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/576169/understanding-python-super-with-init-methods" class="s-link">Understanding Python super() with __init__() methods [duplicate]</a> </h3> <div class="s-post-summary--content-excerpt"> Why is super() used? Is there a difference between using Base.__init__ and super().__init__? class Base(object): def __init__(self): print "Base created" class ChildA(... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-class t-oop t-inheritance t-super"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/class" class="post-tag flex--item mt0 js-tagname-class" title="show questions tagged 'class'" aria-label="show questions tagged 'class'" rel="tag" aria-labelledby="tag-class-tooltip-container">class</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/oop" class="post-tag flex--item mt0 js-tagname-oop" title="show questions tagged 'oop'" aria-label="show questions tagged 'oop'" rel="tag" aria-labelledby="tag-oop-tooltip-container">oop</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/inheritance" class="post-tag flex--item mt0 js-tagname-inheritance" title="show questions tagged 'inheritance'" aria-label="show questions tagged 'inheritance'" rel="tag" aria-labelledby="tag-inheritance-tooltip-container">inheritance</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/super" class="post-tag flex--item mt0 js-tagname-super" title="show questions tagged 'super'" aria-label="show questions tagged 'super'" rel="tag" aria-labelledby="tag-super-tooltip-container">super</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/56763/mizipzor" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="56763"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/9e9bb40f93094055bd09193eb3bccbb8?s=32&d=identicon&r=PG" alt="Mizipzor's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/56763/mizipzor" class="flex--item">Mizipzor</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 50,401" dir="ltr">50.4k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-02-23 00:30:08Z" class="relativetime">Feb 23, 2009 at 0:30</span></time> </div> </div> </div> </div> <div id="question-summary-252703" class="s-post-summary js-post-summary" data-post-id="252703" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3113"> <span class="s-post-summary--stats-item-number">3113</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">20</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="3231219 views"> <span class="s-post-summary--stats-item-number">3.2m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/252703/what-is-the-difference-between-pythons-list-methods-append-and-extend" class="s-link">What is the difference between Python's list methods append and extend?</a> </h3> <div class="s-post-summary--content-excerpt"> What's the difference between the list methods append() and extend()? 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</div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-pandas t-matplotlib t-seaborn t-figsize"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/pandas" class="post-tag flex--item mt0 js-tagname-pandas" title="show questions tagged 'pandas'" aria-label="show questions tagged 'pandas'" rel="tag" aria-labelledby="tag-pandas-tooltip-container">pandas</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/matplotlib" class="post-tag flex--item mt0 js-tagname-matplotlib" title="show questions tagged 'matplotlib'" aria-label="show questions tagged 'matplotlib'" rel="tag" aria-labelledby="tag-matplotlib-tooltip-container">matplotlib</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/seaborn" class="post-tag flex--item mt0 js-tagname-seaborn" title="show questions tagged 'seaborn'" aria-label="show questions tagged 'seaborn'" rel="tag" aria-labelledby="tag-seaborn-tooltip-container">seaborn</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/figsize" class="post-tag flex--item mt0 js-tagname-figsize" title="show questions tagged 'figsize'" aria-label="show questions tagged 'figsize'" rel="tag" aria-labelledby="tag-figsize-tooltip-container">figsize</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/40849/tatwright" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="40849"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/da1c6e03b2ed78782c80a244a985b2b1?s=32&d=identicon&r=PG" alt="tatwright's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/40849/tatwright" class="flex--item">tatwright</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 36,919" dir="ltr">36.9k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-12-01 21:24:44Z" class="relativetime">Dec 1, 2008 at 21:24</span></time> </div> </div> </div> </div> <div id="question-summary-739654" class="s-post-summary js-post-summary" data-post-id="739654" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 3100"> <span class="s-post-summary--stats-item-number">3100</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">20</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="630717 views"> <span class="s-post-summary--stats-item-number">631k</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/739654/how-do-i-make-function-decorators-and-chain-them-together" class="s-link">How do I make function decorators and chain them together?</a> </h3> <div class="s-post-summary--content-excerpt"> How do I make two decorators in Python that would do the following? 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See How to iterate over a list in chunks if the data result will be used directly for a loop, and does not need to be stored. For ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-list t-split t-chunks"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/list" class="post-tag flex--item mt0 js-tagname-list" title="show questions tagged 'list'" aria-label="show questions tagged 'list'" rel="tag" aria-labelledby="tag-list-tooltip-container">list</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/split" class="post-tag flex--item mt0 js-tagname-split" title="show questions tagged 'split'" aria-label="show questions tagged 'split'" rel="tag" aria-labelledby="tag-split-tooltip-container">split</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/chunks" class="post-tag flex--item mt0 js-tagname-chunks" title="show questions tagged 'chunks'" aria-label="show questions tagged 'chunks'" rel="tag" aria-labelledby="tag-chunks-tooltip-container">chunks</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/112415/jespern" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="112415"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/b658715b9635ef057daf2a22d4a8f36e?s=32&d=identicon&r=PG" alt="jespern's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/112415/jespern" class="flex--item">jespern</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 31,716" dir="ltr">31.7k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-11-23 12:15:52Z" class="relativetime">Nov 23, 2008 at 12:15</span></time> </div> </div> </div> </div> <div id="question-summary-466345" class="s-post-summary js-post-summary" data-post-id="466345" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 2899"> <span class="s-post-summary--stats-item-number">2899</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">26</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="4476308 views"> <span class="s-post-summary--stats-item-number">4.5m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/466345/convert-string-jun-1-2005-133pm-into-datetime" class="s-link">Convert string "Jun 1 2005 1:33PM" into datetime</a> </h3> <div class="s-post-summary--content-excerpt"> How do I convert the following string to a datetime object? "Jun 1 2005 1:33PM" </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-datetime"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/datetime" class="post-tag flex--item mt0 js-tagname-datetime" title="show questions tagged 'datetime'" aria-label="show questions tagged 'datetime'" rel="tag" aria-labelledby="tag-datetime-tooltip-container">datetime</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/12870/oli" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="12870"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/f0af40756420859b5b63cbceb6d30505?s=32&d=identicon&r=PG" alt="Oli's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/12870/oli" class="flex--item">Oli</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 233,492" dir="ltr">233k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2009-01-21 18:00:29Z" class="relativetime">Jan 21, 2009 at 18:00</span></time> </div> </div> </div> </div> <div id="question-summary-30081275" class="s-post-summary js-post-summary" data-post-id="30081275" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 2892"> <span class="s-post-summary--stats-item-number">2892</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">12</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="341334 views"> <span class="s-post-summary--stats-item-number">341k</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/30081275/why-is-1000000000000000-in-range1000000000000001-so-fast-in-python-3" class="s-link">Why is "1000000000000000 in range(1000000000000001)" so fast in Python 3?</a> </h3> <div class="s-post-summary--content-excerpt"> It is my understanding that the range() function, which is actually an object type in Python 3, generates its contents on the fly, similar to a generator. This being the case, I would have expected ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-performance t-python-3ûx t-range t-python-internals"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/performance" class="post-tag flex--item mt0 js-tagname-performance" title="show questions tagged 'performance'" aria-label="show questions tagged 'performance'" rel="tag" aria-labelledby="tag-performance-tooltip-container">performance</a></li><li class="d-inline mr4 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aria-labelledby="tag-python-internals-tooltip-container">python-internals</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/2437514/rick" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="2437514"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://i.stack.imgur.com/8QN0K.jpg?s=32&g=1" alt="Rick's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/2437514/rick" class="flex--item">Rick</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 41,727" dir="ltr">41.7k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2015-05-06 15:32:43Z" class="relativetime">May 6, 2015 at 15:32</span></time> </div> </div> </div> </div> <div id="question-summary-5137497" class="s-post-summary js-post-summary" data-post-id="5137497" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 2873"> <span class="s-post-summary--stats-item-number">2873</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">13</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="4398086 views"> <span class="s-post-summary--stats-item-number">4.4m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/5137497/find-the-current-directory-and-files-directory" class="s-link">Find the current directory and file's directory [duplicate]</a> </h3> <div class="s-post-summary--content-excerpt"> How do I determine: the current directory (where I was in the shell when I ran the Python script), and where the Python file I am executing is? </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-directory"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" 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title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">35</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="5596524 views"> <span class="s-post-summary--stats-item-number">5.6m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/11346283/renaming-column-names-in-pandas" class="s-link">Renaming column names in Pandas</a> </h3> <div class="s-post-summary--content-excerpt"> I want to change the column labels of a Pandas DataFrame from ['$a', '$b', '$c', '$d', '$e'] to ['a', 'b', 'c', 'd', 'e'] </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-pandas t-replace t-dataframe t-rename"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/pandas" class="post-tag flex--item mt0 js-tagname-pandas" title="show questions tagged 'pandas'" aria-label="show questions tagged 'pandas'" rel="tag" aria-labelledby="tag-pandas-tooltip-container">pandas</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/replace" 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href="/web/20230306154331/https://stackoverflow.com/users/1504276/user1504276" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="1504276"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/a313b37581ebc8dc85792e388397812f?s=32&d=identicon&r=PG" alt="user1504276's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/1504276/user1504276" class="flex--item">user1504276</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 28,015" dir="ltr">28k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2012-07-05 14:21:15Z" class="relativetime">Jul 5, 2012 at 14:21</span></time> </div> </div> </div> </div> <div id="question-summary-11277432" class="s-post-summary js-post-summary" data-post-id="11277432" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 2753"> <span class="s-post-summary--stats-item-number">2753</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">11</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="2573378 views"> <span class="s-post-summary--stats-item-number">2.6m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/11277432/how-can-i-remove-a-key-from-a-python-dictionary" class="s-link">How can I remove a key from a Python dictionary?</a> </h3> <div class="s-post-summary--content-excerpt"> I want to remove a key from a dictionary if it is present. I currently use this code: if key in my_dict: del my_dict[key] Without the if statement, the code will raise KeyError if the key is not ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-dictionary t-unset"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/dictionary" class="post-tag flex--item mt0 js-tagname-dictionary" title="show questions tagged 'dictionary'" aria-label="show questions tagged 'dictionary'" rel="tag" aria-labelledby="tag-dictionary-tooltip-container">dictionary</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/unset" class="post-tag flex--item mt0 js-tagname-unset" title="show questions tagged 'unset'" aria-label="show questions tagged 'unset'" rel="tag" aria-labelledby="tag-unset-tooltip-container">unset</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/692499/tony" class="s-avatar s-avatar__16 s-user-card--avatar" data-user-id="692499"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/7757ce52a52d5696a160372ca41742d6?s=32&d=identicon&r=PG" alt="Tony's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/692499/tony" class="flex--item">Tony</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 35,891" dir="ltr">35.9k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2012-06-30 20:27:59Z" class="relativetime">Jun 30, 2012 at 20:27</span></time> </div> </div> </div> </div> <div id="question-summary-379906" class="s-post-summary js-post-summary" data-post-id="379906" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 2681"> <span class="s-post-summary--stats-item-number">2681</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">32</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="4639172 views"> <span class="s-post-summary--stats-item-number">4.6m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/379906/how-do-i-parse-a-string-to-a-float-or-int" class="s-link">How do I parse a string to a float or int?</a> </h3> <div class="s-post-summary--content-excerpt"> How can I convert a str to float? "545.2222" → 545.2222 How can I convert a str to int? "31" → 31 For the reverse, see Convert integer to string in Python and ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-parsing t-floating-point t-type-conversion t-integer"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/parsing" class="post-tag flex--item mt0 js-tagname-parsing" title="show questions tagged 'parsing'" aria-label="show questions tagged 'parsing'" rel="tag" aria-labelledby="tag-parsing-tooltip-container">parsing</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/floating-point" class="post-tag flex--item mt0 js-tagname-floating-point" title="show questions tagged 'floating-point'" aria-label="show questions tagged 'floating-point'" rel="tag" aria-labelledby="tag-floating-point-tooltip-container">floating-point</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/type-conversion" class="post-tag flex--item mt0 js-tagname-type-conversion" title="show questions tagged 'type-conversion'" aria-label="show questions tagged 'type-conversion'" rel="tag" aria-labelledby="tag-type-conversion-tooltip-container">type-conversion</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/integer" class="post-tag flex--item mt0 js-tagname-integer" title="show questions tagged 'integer'" aria-label="show questions tagged 'integer'" rel="tag" aria-labelledby="tag-integer-tooltip-container">integer</a></li></ul> </div> <div class="s-user-card s-user-card__minimal"> <div aria-live="polite"> <a href="/web/20230306154331/https://stackoverflow.com/users/30529/tristan-havelick" class="s-avatar s-avatar__16 s-user-card--avatar js-user-hover-target" data-user-id="30529"> <div class="gravatar-wrapper-16"> <img src="https://web.archive.org/web/20230306154331im_/https://www.gravatar.com/avatar/f3a3491c1c83e8c62151752162184627?s=32&d=identicon&r=PG" alt="Tristan Havelick's user avatar" width="16" , height="16" class="s-avatar--image"/> </div> </a> </div> <div class="s-user-card--info"> <div class="s-user-card--link d-flex gs4"> <a href="/web/20230306154331/https://stackoverflow.com/users/30529/tristan-havelick" class="flex--item">Tristan Havelick</a> </div> <ul class="s-user-card--awards"> <li class="s-user-card--rep"><span class="todo-no-class-here" title="reputation score 66,420" dir="ltr">66.4k</span></li> </ul> </div> <time class="s-user-card--time">asked <span title="2008-12-19 01:52:26Z" class="relativetime">Dec 19, 2008 at 1:52</span></time> </div> </div> </div> </div> <div id="question-summary-1602934" class="s-post-summary js-post-summary" data-post-id="1602934" data-post-type-id="1"> <div class="s-post-summary--stats js-post-summary-stats"> <div class="s-post-summary--stats-item s-post-summary--stats-item__emphasized" title="Score of 2679"> <span class="s-post-summary--stats-item-number">2679</span> <span class="s-post-summary--stats-item-unit">votes</span> </div> <div class="s-post-summary--stats-item has-answers has-accepted-answer" title="one of the answers was accepted as the correct answer"> <svg aria-hidden="true" class="svg-icon iconCheckmarkSm" width="14" height="14" viewbox="0 0 14 14"><path d="M13 3.41 11.59 2 5 8.59 2.41 6 1 7.41l4 4 8-8Z"/></svg> <span class="s-post-summary--stats-item-number">16</span> <span class="s-post-summary--stats-item-unit">answers</span> </div> <div class="s-post-summary--stats-item is-supernova" title="5906948 views"> <span class="s-post-summary--stats-item-number">5.9m</span> <span class="s-post-summary--stats-item-unit">views</span> </div> </div> <div class="s-post-summary--content"> <h3 class="s-post-summary--content-title"> <a href="/web/20230306154331/https://stackoverflow.com/questions/1602934/check-if-a-given-key-already-exists-in-a-dictionary" class="s-link">Check if a given key already exists in a dictionary</a> </h3> <div class="s-post-summary--content-excerpt"> I wanted to test if a key exists in a dictionary before updating the value for the key. I wrote the following code: if 'key1' in dict.keys(): print "blah" else: print "boo" I think this is not ... </div> <div class="s-post-summary--meta"> <div class="s-post-summary--meta-tags tags js-tags t-python t-dictionary"> <ul class="ml0 list-ls-none js-post-tag-list-wrapper d-inline"><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/python" class="post-tag flex--item mt0 js-tagname-python" title="show questions tagged 'python'" aria-label="show questions tagged 'python'" rel="tag" aria-labelledby="tag-python-tooltip-container">python</a></li><li class="d-inline mr4 js-post-tag-list-item"><a href="/web/20230306154331/https://stackoverflow.com/questions/tagged/dictionary" class="post-tag flex--item mt0 js-tagname-dictionary" title="show questions tagged 'dictionary'" aria-label="show questions tagged 'dictionary'" rel="tag" aria-labelledby="tag-dictionary-tooltip-container">dictionary</a></li></ul> </div> <div 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