Traverse list with none in python
1607
List of lists changes reflected across sublists unexpectedly
102427
Skipping every even numbered item in the enumerate environment
154473
How to ignore list elements when extracting with pattern matching
36818
Skipping Iterations in Python
149035
Using "neither" without "nor"
91058
bash iterate file list, except when empty
142576
Why does [1].append(2) evaluate to None instead of [1,2]?
129354
What is the pythonic way to avoid default parameters that are empty lists?
109300
Handle either a list or single integer as an argument
81549
How would you do a "not in" query with LINQ?
78242
Non-descending Tuples
71298
Pythonic way to check if a list is sorted or not
98640
Reversing a list using slice notation
96216
Using "find" non-recursively?
67703
Why does '.sort()' cause the list to be 'None' in Python?
9434
How do I check if a list is empty?
54364
How do I create a vertical version of \not?