Python dunder method for `is`
39799
Does the `is` operator use a __magic__ method in Python?
37369
How do I check if two logical expressions are equivalent?
35503
Understanding Python's "is" operator
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OR behaviour in python:
129148
How can I memoize a method that may return true, false, or nil in Ruby?
41380
How to check if a given Regex is valid?
127819
How to check whether an object is a date?
125644
How to check f is surjective
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Is there a difference between "==" and "is"?
39781
Why does the is operator return false when given null?
143939
How do you use: isalnum, isdigit, isupper to test each character of a string?
103354
How do I test if an item is in a bash array?
105728
Overriding "+=" in Python? (__iadd__() method)
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C# 'is' operator performance
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Package to test whether a string is in a list
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'is' operator behaves differently when comparing strings with spaces
95734
Check if something is (not) in a list in Python