Envío 4392

Código

def sum_two_nums(first_num: str, second_num: str) -> str:
    z = abs(len(first_num) - len(second_num)) * "0"
    if len(first_num) > len(second_num):
        second_num = z + second_num
    else:
        first_num = z + first_num
    number = []
    i = add = 0
    while i < len(first_num):
        coc, res = divmod(int(first_num[-i-1]) + int(second_num[-i-1]) + add, 10)
        number.append(str(res))
        i, add = i + 1, coc
    if add:
        number.append(str(add))
    return "".join(number[::-1])

num1 = input()
num2 = input()
print(sum_two_nums(num1, num2))