Why does extending a nested list in Python also extend subsequent nested lists?
1607
List of lists changes reflected across sublists unexpectedly
68076
Python list slice syntax used for no obvious reason
85996
Why is it disallowed for partial specialization in a non-type argument to use nested template parameters
103488
What is the difference between list and list[:] in python?
114824
Why doesn't 2.__add__(3) work in Python?
70489
Python "extend" for a dictionary
11272
Python appending to two lists when it should only append to one
13564
Python: deepcopy(list) vs new_list = old_list[:]
67086
Python: Appending items to lists by iterating through list of lists
135201
How can I change a list to a sequence without destroying nested list
50792
In Python, what is the difference between ".append()" and "+= []"?
59941
Why can't a class extend its own nested class in C#?
129375
Why is list initialization (using curly braces) better than the alternatives?
16112
Why is the order in dictionaries and sets arbitrary?
20352
Why does foo.append(bar) affect all elements in a list of lists?
66350
Weird closure behavior in python
59951
Why does list.append evaluate to false in a boolean context?