#!/usr/bin/env python3
#-*- coding: utf-8 -*-

import time

import gpiozero
    
GPIO_LED = 13

# default LED active_high=True
led = gpiozero.LED( GPIO_LED)

for _ in range(10):
    led.on()
    time.sleep(0.5)
    led.off()
    time.sleep(0.5)

print("finished")