Pulse Raspberry PI GPIO pin for 1 second

pulse.py

from gpiozero import LED
from time import sleep

# https://gpiozero.readthedocs.io/en/stable/recipes.html
# Pi Model 3B V1.2
output_relay = LED(4)


def pulse(out=output_relay):
    out.on()
    sleep(1)
    out.off()


if __name__ == "__main__":
    pulse()