transfer_ip.py

marks = {'a': '0', 'b': '1'}

def transfer(code):
    i = 0
    binary = ''
    while i < len(code):
        cnt = ''
        while code[i].isdigit():
            cnt += code[i]
            i += 1
        binary += (int(cnt) if cnt else 1) * marks.get(code[i])
        i += 1
    bin_arr = [binary[i:i+8] for i in range(0, 32, 8)]
    return '%s.%s.%s.%s' % tuple(map(lambda x: int(x, 2), bin_arr))