import time
import os
from gpiozero import *

pins = [8,10,12,16,18,22,24,26]

for pin in pins:
    print(pin)
    relay = gpiozero.OutputDevice(pin, active_high=False, initial_value=False)
    relay.on()

for pin in pins:
    print(pin)
    relay = gpiozero.OutputDevice(pin, active_high=False, initial_value=False)
    relay.off()