Python.I'm using a raspberry pi. What is code that will exit the program when you push on the joystick using a global variable. This isn't working.

def pushed_middle(event): global x if event.action == ACTION_PRESSED: x = 0 sense.stick.direction_middle = pushed_middle while True: if x == 0: sense.clear() os.system("sudo shutdown now -P") time.sleep(5) elif x == 1: sense.clear() raise SystemExit time.sleep(5)