text: import RPi.GPIO as GPIO
  import time
  ledPin = 12
  blinkDelay = .5
  ledOn = True
  GPIO.setmode(GPIO.BOARD)
  GPIO.setup(ledPin, GPIO.OUT)
  try:
      while True:
          print("led=" + str(ledOn))
          GPIO.output(ledPin, ledOn)
          ledOn = not ledOn
          time.sleep(blinkDelay)
  
  except:
      GPIO.cleanup()
      print("Thanks for using blink.py\n")