input: 
  def positive_feedback_loop() -> None:
      """ Modifies the given python program to include a positive feedback loop that prints
      a congratulatory message when the loop completes.
      >>> positive_feedback_loop()
      hello
      ... (9 more times)
      You've got it!
      """
  
output:     for i in range(10):
          print("hello")
      print("You've got it!")