python get all combinations at size from list code example

Example 1: get all combinations from two lists python

a = ["foo", "melon"]
b = [True, False]
c = list(itertools.product(a, b))
>> [("foo", True), ("foo", False), ("melon", True), ("melon", False)]

Example 2: python get all combinations of list

itertools.combinations(iterable, r)