mic_a = [1, 2, 3, 4]
mic_b = [4, 1, 2, 3]
delay = 0

for i in range(len(mic_b)):
    if mic_a == mic_b:
        print(delay)
        break
    else:
        mic_b = mic_b[1:] + mic_b[:1]
        delay += 1