Why does list.append() return None?
3897
Why does append() always return None in Python?
66350
Weird closure behavior in python
105918
list.extend and list comprehension
9434
How do I check if a list is empty?
20352
Why does foo.append(bar) affect all elements in a list of lists?
149962
ToList()-- does it create a new list?
60304
Why isn't the 'len' function inherited by dictionaries and lists in Python
118657
Why does "return list.sort()" return None, not the list?
38825
Why isn't 'list' a reserved word in Python?
80800
How to concatenate items in a list to a single string?
59951
Why does list.append evaluate to false in a boolean context?
135345
Appending to Variables
112316
Why does my recursive function return None?
105364
Appending an item to a python list in the declaration statement list = [].append(val) is a NoneType
156992
l.append[i], object is not subscriptable?
29562
List.Add seems to be duplicating entries. What's wrong?
71478
How do you append to a file?