new_contents: import RPi.GPIO as GPIO
  import time
  
  def blink(ledPin):
      GPIO.output(ledPin, GPIO.HIGH)
      time.sleep(1)
      GPIO.output(ledPin, GPIO.LOW)
      time.sleep(1)
      return
      
  # tell GPIO to use the Pi's board numbering for pins
  GPIO.setmode(GPIO.BOARD)
  
  redLedPin = 22
  
  # set data direction of LED pin to output
  GPIO.setup(redLedPin, GPIO.OUT)
  
  blink(redLedPin)
  
  GPIO.cleanup()
subject: add led blink code