input: 
  def positive_feedback_loop(n: int) -> None:
      """Enhance the given loop to provide a positive feedback message once the loop 
      completes.
      
      >>> positive_feedback_loop(10)
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      You've got it!
      """
  
output:     for _ in range(n):
          print("hello")
      print("You've got it!")