HOw to compare a list with some elements with any value in python? code example

Example 1: how to compare two lists element by element in python and return matched element

>>> [i for i, j in zip(a, b) if i == j]
[5]

Example 2: python compare each item of one list

import itertools
for a, b in itertools.combinations(mylist, 2):
    compare(a, b)