text: import RPi.GPIO as GPIO
  import time
  
  LED_PIN = 11
  
  GPIO.setmode(GPIO.BOARD)
  GPIO.setwarnings(False)
  GPIO.setup(LED_PIN,GPIO.OUT)    
  
  def flash_led(pin, count, interval=1):
      for i in range(count):
          GPIO.output(pin, GPIO.HIGH)
          time.sleep(interval)
          GPIO.output(pin, GPIO.LOW)
          time.sleep(interval)
  
  def flash_leds(pin_list, count, interval=1):
      for i in range(count):
          for pin in pin_list:
              GPIO.output(pin, GPIO.HIGH)
          time.sleep(interval)
          for pin in pin_list:
              GPIO.output(pin, GPIO.LOW)
          time.sleep(interval)
  
  def clean():
      GPIO.cleanup()
      
  #flash_led(LED,1)
  #GPIO.cleanup()