def dur():
    init()
    gpio.output(22, 0)
    gpio.output(17, 0)
    gpio.output(18, 0)
    gpio.output(27, 0)
    gpio.cleanup()
def dur():
    init()
    gpio.output(22, 0)
    gpio.output(17, 0)
    gpio.output(18, 0)
    gpio.output(27, 0)
    gpio.cleanup()