Why is list.append(x) more efficient than list += l[x]?
50792
In Python, what is the difference between ".append()" and "+= []"?
94458
how to interleaving lists
105918
list.extend and list comprehension
26425
Why does += of a list within a Python tuple raise TypeError but modify the list anyway?
19705
Element-wise addition of 2 lists?
35697
Performance of Arrays vs. Lists
158615
IEnumerable vs List - What to Use? How do they work?
139014
How to efficiently Append a result of an operation on each element of a list to itself
106870
Is there an overhead when nesting functions in Python?
25621
Append[] is not working for empty list
29562
List.Add seems to be duplicating entries. What's wrong?
103417
Why is String.IsNullOrEmpty faster than String.Length?
27196
Most efficient way to append arrays in C#?
142576
Why does [1].append(2) evaluate to None instead of [1,2]?
2203
String concatenation: concat() vs "+" operator
72292
Which ordering of nested loops for iterating over a 2D array is more efficient
12108
List> vs List>