compare two elements in list python code example

Example 1: compare lists element wise python

[ x&y for (x,y) in zip(list_a, list_b)]

Example 2: 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 3: python compare each item of one list

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