new_contents: import RPi.GPIO as GPIO
  import time
  
  def blink(ledPin, onTime, offTime):
      GPIO.output(ledPin, GPIO.HIGH)
      time.sleep(onTime)
      GPIO.output(ledPin, GPIO.LOW)
      time.sleep(offTime)
      return
      
  def blinkThree(redLedPin, blueLedPin, greenLedPin):
      blink(redLedPin, 1, 0)
      blink(blueLedPin, 1, 0)
      blink(greenLedPin, 1, 0)
    
  # tell GPIO to use the Pi's board numbering for pins
  GPIO.setmode(GPIO.BOARD)
  
  redLedPin = 22
  blueLedPin = 14
  greenLedPin = 12
  
  # set data direction of LED pin to output
  GPIO.setup(redLedPin, GPIO.OUT)
  GPIO.setup(blueLedPin, GPIO.OUT)
  GPIO.setup(greenLedPin, GPIO.OUT)
  
  # loop until keyboard interrupt
  
  try:
      while True:
          blinkThree(redLedPin, blueLedPin, greenLedPin)
  except KeyboardInterrupt:
      pass
  
  GPIO.cleanup()
subject: add blink 3 script