new_contents: #!/usr/bin/env python3
  """This example flashes all LED's 10 times."""
  
  from letmecreate.core import led
  from time import sleep
  
  
  led.init()
  
  for i in range(10):
      led.switch_on(led.ALL_LEDS)
      sleep(0.1) # Wait 100ms
      led.switch_off(led.ALL_LEDS)
      sleep(0.4) # Wait 400ms
  
  led.release()
  
subject: add led example