Why does '.sort()' cause the list to be 'None' in Python?
118657
Why does "return list.sort()" return None, not the list?
2151
How do I sort a list of dictionaries by a value of the dictionary?
41473
How to sort a Python dict's keys by value
82710
Python function returns None (all trivial solutions checked and they do not work)
105364
Appending an item to a python list in the declaration statement list = [].append(val) is a NoneType
28469
sort() and reverse() functions do not work
120664
Function returns None without return statement
114763
Why do different installations of sort sort punctuation differently?
57300
How to Sort a List by a property in the object
2361
sorting a list with respect to the closest number in the list python
151174
Sorting a list using Lambda/Linq to objects
38747
Unexpected list behavior in Python
71298
Pythonic way to check if a list is sorted or not
46191
How does sort function work in JavaScript, along with compare function
60304
Why isn't the 'len' function inherited by dictionaries and lists in Python
124865
Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
20352
Why does foo.append(bar) affect all elements in a list of lists?