Strange behavior of Python 'is'
4419
"is" operator behaves unexpectedly with integers
38747
Unexpected list behavior in Python
960
Unexpected behavior of rule matching a pattern
155712
F# equivalent of `is` keyword in C#?
54050
Ruby if vs end of the line if behave differently?
39799
Does the `is` operator use a __magic__ method in Python?
87312
Using 'is' or 'was' when something is still true
41022
Why does the ternary operator unexpectedly cast integers?
145497
What does the  operator do in python?
73423
What is the best (idiomatic) way to check the type of a Python variable?
26718
"is" vs "are" when followed by a number
151096
Why does the expression 0 < 0 == 0 return False in Python?
32448
Which is correct: "__ is different from __" or "__ is different than __"?
23730
Why is 'True == not False' a syntax error in Python?
143939
How do you use: isalnum, isdigit, isupper to test each character of a string?
99777
Bug in List.contains for Id data type?
103488
What is the difference between list and list[:] in python?