List Methods – Real Python

Python List Methods: A Practical Guide to Work with Lists

List Methods in Python | Set 1 (in, not in, len(), min(), max()...) - GeeksforGeeks

Calculate Sum in Python (5 Examples) | Addition of List & DataFrame

SOLVED:The standard Python function called sum takes a list as argument and computes the sum of the elements in the list: ⩾>>sum4([1,3,5,-5]) 4 Implement your own version of sum. Name of program: sum.py.

Find sum of elements in List - Python - GeeksforGeeks

Learn Python List Comprehension for Lists, Tuples, Dictionaries, Sets