new_contents: import led, time
  while (vcp_is_connected()==False):
     led.on(led.BLUE)
     time.sleep(150)
     led.off(led.BLUE)
     time.sleep(100)
     led.on(led.BLUE)
     time.sleep(150)
     led.off(led.BLUE)
     time.sleep(600)
  
subject: Add main.py example