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Title: GitHub - ChoiZ/wtfpython: A collection of interesting, subtle, and tricky Python snippets.

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Description: A collection of interesting, subtle, and tricky Python snippets. - ChoiZ/wtfpython

Open Graph Description: A collection of interesting, subtle, and tricky Python snippets. - ChoiZ/wtfpython

X Description: A collection of interesting, subtle, and tricky Python snippets. - ChoiZ/wtfpython

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https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#table-of-contents
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Usagehttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#usage
πŸ‘€ Exampleshttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-examples
Skipping lines?https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#skipping-lines
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation
Well, something is fishy...https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#well-something-is-fishy
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-1
Time for some hash brownies!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#time-for-some-hash-brownies
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-2
Evaluation time discrepancyhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#evaluation-time-discrepancy
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-3
Modifying a dictionary while iterating over ithttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#modifying-a-dictionary-while-iterating-over-it
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation
Deleting a list item while iterating over ithttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#deleting-a-list-item-while-iterating-over-it
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-1
Backslashes at the end of stringhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#backslashes-at-the-end-of-string
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-4
String interninghttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#string-interning
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-2
Let's make a giant string!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#lets-make-a-giant-string
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-5
Yes, it exists!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#yes-it-exists
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-3
is is not what it is!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#is-is-not-what-it-is
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-4
is not ... is not is (not ...)https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#is-not--is-not-is-not-
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-6
The function inside loop sticks to the same outputhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#the-function-inside-loop-sticks-to-the-same-output
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-7
Loop variables leaking out of local scope!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#loop-variables-leaking-out-of-local-scope
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-5
A tic-tac-toe where X wins in the first attempt!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#a-tic-tac-toe-where-x-wins-in-the-first-attempt
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-6
Beware of default mutable arguments!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#beware-of-default-mutable-arguments
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-7
Same operands, different story!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#same-operands-different-story
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-8
Mutating the immutable!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#mutating-the-immutable
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-9
Using a variable not defined in scopehttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#using-a-variable-not-defined-in-scope
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-10
The disappearing variable from outer scopehttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#the-disappearing-variable-from-outer-scope
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-11
Return return everywhere!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#return-return-everywhere
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-12
When True is actually Falsehttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#when-true-is-actually-false
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-13
Be careful with chained operationshttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#be-careful-with-chained-operations
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-14
Name resolution ignoring class scopehttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#name-resolution-ignoring-class-scope
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-8
From filled to None in one instruction...https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#from-filled-to-none-in-one-instruction
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-9
Explicit typecast of stringshttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#explicit-typecast-of-strings
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-15
Class attributes and instance attributeshttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#class-attributes-and-instance-attributes
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-16
Catching the Exceptions!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#catching-the-exceptions
πŸ’‘ Explanationhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-10
Midnight time doesn't exist?https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#midnight-time-doesnt-exist
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-17
What's wrong with booleans?https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#whats-wrong-with-booleans
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-18
Needle in a Haystackhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#needle-in-a-haystack
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-19
yielding Nonehttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#yielding-none
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-20
The surprising commahttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#the-surprising-comma
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-21
For what?https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#for-what
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-22
not knot!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#not-knot
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-23
Let's see if you can guess this?https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#lets-see-if-you-can-guess-this
πŸ’‘ Explanation:https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-24
Minor Oneshttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#minor-ones
TODO: Hell of an example!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#todo-hell-of-an-example
Contributinghttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#contributing
Acknowledgementshttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#acknowledgements
Some nice Links!https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#some-nice-links
πŸŽ“ Licensehttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-license
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#structure-of-the-examples
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#some-fancy-title
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https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-1
code pointhttps://en.wikipedia.org/wiki/Code_point
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https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#time-for-some-hash-brownies
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-3
answerhttps://stackoverflow.com/a/32211042/4354153
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https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-4
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https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-5
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threadhttps://stackoverflow.com/questions/45877614/how-to-change-all-the-dictionary-keys-in-a-for-loop-with-d-items
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#backslashes-at-the-end-of-string
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-7
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#string-interning
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-8
herehttps://stackoverflow.com/questions/24245324/about-the-changing-id-of-an-immutable-string
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#lets-make-a-giant-string
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-9
timeithttps://docs.python.org/3/library/timeit.html
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#yes-it-exists
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-10
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#is-is-not-what-it-is
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-11
https://docs.python.org/3/c-api/long.htmlhttps://docs.python.org/3/c-api/long.html
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#is-not--is-not-is-not-
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-12
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#the-function-inside-loop-sticks-to-the-same-output
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-13
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#loop-variables-leaking-out-of-local-scope
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-14
What’s New In Python 3.0https://docs.python.org/3/whatsnew/3.0.html
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#a-tic-tac-toe-where-x-wins-in-the-first-attempt
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-15
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython/blob/master/images/tic-tac-toe/after_row_initialized.png
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython/blob/master/images/tic-tac-toe/after_board_initialized.png
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#beware-of-default-mutable-arguments
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-16
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#same-operands-different-story
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-17
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#mutating-the-immutable
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-18
https://docs.python.org/2/reference/datamodel.htmlhttps://docs.python.org/2/reference/datamodel.html
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#using-a-variable-not-defined-in-scope
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-19
thishttp://sebastianraschka.com/Articles/2014_python_scope_and_namespaces.html
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#the-disappearing-variable-from-outer-scope
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-20
https://docs.python.org/3/reference/compound_stmts.html#excepthttps://docs.python.org/3/reference/compound_stmts.html#except
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#return-return-everywhere
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-21
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#when-true-is-actually-false
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-22
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#be-careful-with-chained-operations
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-23
https://docs.python.org/2/reference/expressions.html#not-inhttps://docs.python.org/2/reference/expressions.html#not-in
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#name-resolution-ignoring-class-scope
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-24
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#from-filled-to-none-in-one-instruction
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-25
herehttp://docs.python.org/2/faq/design.html#why-doesn-t-list-sort-return-the-sorted-list
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#explicit-typecast-of-strings
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-26
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#class-attributes-and-instance-attributes
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-27
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#catching-the-exceptions
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-28
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#midnight-time-doesnt-exist
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-29
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#whats-wrong-with-booleans
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-30
answerhttps://stackoverflow.com/a/8169049/4354153
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#needle-in-a-haystack
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-31
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#yielding-none
thishttps://github.com/satwikkansal/wtfpython/issues/32
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-32
https://stackoverflow.com/questions/32139885/yield-in-list-comprehensions-and-generator-expressionshttps://stackoverflow.com/questions/32139885/yield-in-list-comprehensions-and-generator-expressions
http://bugs.python.org/issue10544http://bugs.python.org/issue10544
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#the-surprising-comma
thishttps://github.com/satwikkansal/wtfPython/issues/1
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-33
fixed in Python 3.6https://bugs.python.org/issue9232
thishttps://bugs.python.org/issue9232#msg248399
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#for-what
thishttps://github.com/satwikkansal/wtfpython/issues/23
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-34
Python grammarhttps://docs.python.org/3/reference/grammar.html
thishttps://github.com/satwikkansal/wtfPython/issues/11
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#not-knot
thishttps://github.com/satwikkansal/wtfPython/issues/1
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-35
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#lets-see-if-you-can-guess-this
thishttps://github.com/satwikkansal/wtfPython/issues/9
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-explanation-36
Python language referencehttps://docs.python.org/2/reference/simple_stmts.html#assignment-statements
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#minor-ones
sequenceshttps://docs.python.org/3/glossary.html#term-sequence
threadhttps://stackoverflow.com/questions/3654830/why-are-there-no-and-operators-in-python
thishttps://github.com/satwikkansal/wtfpython/issues/40
string literal concatenationhttps://docs.python.org/2/reference/lexical_analysis.html#string-literal-concatenation
Global Interpreter Lockhttps://wiki.python.org/moin/GlobalInterpreterLock
multiprocessinghttps://docs.python.org/2/library/multiprocessing.html
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#todo-hell-of-an-example
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#contributing
issuehttps://github.com/satwikkansal/wtfpython/issues/new
CONTRIBUTING.mdhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython/blob/master/CONTRIBUTING.md
issuehttps://github.com/satwikkansal/wtfpython/issues/new
channelhttps://gitter.im/wtfpython/Lobby
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#acknowledgements
wtfjshttps://github.com/denysdovhan/wtfjs
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#some-nice-links
https://www.youtube.com/watch?v=sH4XF6pKKmkhttps://www.youtube.com/watch?v=sH4XF6pKKmk
https://www.reddit.com/r/Python/comments/3cu6ej/what_are_some_wtf_things_about_pythonhttps://www.reddit.com/r/Python/comments/3cu6ej/what_are_some_wtf_things_about_python
https://sopython.com/wiki/Common_Gotchas_In_Pythonhttps://sopython.com/wiki/Common_Gotchas_In_Python
https://stackoverflow.com/questions/530530/python-2-x-gotchas-and-landmineshttps://stackoverflow.com/questions/530530/python-2-x-gotchas-and-landmines
https://stackoverflow.com/questions/1011431/common-pitfalls-in-pythonhttps://stackoverflow.com/questions/1011431/common-pitfalls-in-python
https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#-license
http://www.wtfpl.net
Satwik Kansalhttps://satwikkansal.xyz
bit.ly/wtfpythonhttps://bit.ly/wtfpython
Readme https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#readme-ov-file
WTFPL license https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#WTFPL-1-ov-file
Contributing https://patch-diff.githubusercontent.com/ChoiZ/wtfpython#contributing-ov-file
Please reload this pagehttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython
Activityhttps://patch-diff.githubusercontent.com/ChoiZ/wtfpython/activity
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