new_contents: import RPi.GPIO as GPIO  # pylint: disable=F0401
  
  
  class GpioActuator(object):
      def __init__(self, pin_number):
          self.pin_number = pin_number
          GPIO.setmode(GPIO.BOARD)
          GPIO.setup(pin_number, GPIO.OUT)
  
      def get(self):
          return GPIO.input(self.pin_number)
  
      def set(self, value):
          GPIO.output(self.pin_number, value)
          return self.get()
  
subject: add gpio to examples/lib