from machine import Pin
from utime import sleep

led_pin1 = Pin(12, Pin.OUT)
led_pin2 = Pin(14, Pin.OUT)

def main():

  while True:
    sub_led1()
    sub_led2()
    

def sub_led1():

  led_pin1.on()
  sleep(0.5)
  led_pin1.off()
  sleep(0.5)

def sub_led2():

  led_pin2.on()
  sleep(0.5)
  led_pin2.off()
  sleep(0.5)


if __name__ == '__main__':
  main()