led.py
from gpiozero import LED
from time import sleep led = LED(17) while True:
print "start cycle"
led.on()
sleep(1)
led.off()
sleep(1)
button_led.py
from gpiozero import LED, Button
from signal import pause led = LED(17)
button = Button(2) button.when_pressed = led.on
button.when_released = led.off pause()