import gpiozero
import time

led = gpiozero.LED(4)

while True:
        led.on()
        time.sleep(1)
        led.off()
        time.sleep(1)


import gpiozero
import time

led = gpiozero.LED(4)

while True:
        led.on()
        time.sleep(1)
        led.off()
        time.sleep(1)

