python - if not in list
95734
Check if something is (not) in a list in Python
106983
Python `if x is not None` or `if not x is None`?
53870
Error in if/while (condition) {: missing Value where TRUE/FALSE needed
5307
Check if a variable is in an ad-hoc list of values
75392
How can I use Pick to select items in one list when a value in a corresponding list is $\leq$ some value?
147236
How to select sub-lists having at least one element that matches a pattern
128344
Split a list into sublist by checking a condition on elements
129354
What is the pythonic way to avoid default parameters that are empty lists?
34707
How do you check if there are any equal arguments(even sublist) in a list?
131409
Prolog fetch element in a sublist
39834
Check whether files in a file list exist in a certain directory
74709
How to elegantly check if a number is within a range?
28092
Sort a part of a list in place
34755
Negative list index?
95287
Generating a list of numbers that are not multiples of 4
21281
For loop without the second condition, i.e. the boolean check?
23881
Python's in (__contains__) operator returns a bool whose value is neither True nor False