input: 
  def add_positive_feedback_loop(n: int) -> None:
      """
      This function prints "hello" `n` times and adds a positive feedback 
      message when the loop completes.
  
      >>> add_positive_feedback_loop(3)
      hello
      hello
      hello
      You've got it!
      """
      for i in range(n):
          print("hello")
          i += 1
          if i == n:
              print("You've got it!")
  
output:     for i in range(n):
          print("hello")
      print("You've got it!")