"First steps programming exercise to add two binary numbers" lol

binary_addition.py

def add(b1, b2):
    result = []

    carry = 0

    for i, j in zip(reversed(b1), reversed(b2)):
        tmp = int(i) + int(j) + carry # 0, 1, 2
        #print("i=%s, j=%s, carry=%d" % (i, j, carry))
        carry = tmp / 2
        tmp = tmp % 2
        #print("new tmp=%d carry=%d" % (tmp, carry))

        result.append(tmp)

    if carry:
        result.append('1')

    result = ''.join(map(str, reversed(result)))
    print("%s + %s = %s" % (b1, b2, result))


import itertools
nums = [''.join(i) for i in itertools.product('01', repeat=4)]

for bin1, bin2 in itertools.combinations_with_replacement(nums, r=2):
    add(bin1, bin2)