#!/bin/python3

import RPi.GPIO as GPIO
import time

GPIO.setwarnings(False)

GPIO.setmode(GPIO.BCM)
leds = [21, 20, 16, 12, 7, 8, 25, 24]
aux = [22, 23, 27, 18, 15, 14, 3, 2]

GPIO.setup(leds, GPIO.OUT)
GPIO.setup(aux, GPIO.IN)

GPIO.output(leds, 0)

for i in range(len(leds)):
    GPIO.output(leds[i], GPIO.input(aux[i]))