all possible combinations of numbers list pytho code example

Example 1: python get all combinations of list

itertools.combinations(iterable, r)

Example 2: how to find a combination of all elements in a python list

import itertools

stuff = [1, 2, 3]
for L in range(0, len(stuff)+1):
    for subset in itertools.combinations(stuff, L):
        print(subset)