counting pairs with bitwise product

bitwise_pairs.py

import itertools
def countPairs(arr):
    # Write your code here
    count = 0
    for i, j in itertools.combinations(arr, 2):
        v = i & j
        if v != 0 :
            if (v % 2 == 0) | (v == 1):
                count+=1
    return count