input: 
  def positive_feedback_loop(n: int) -> None:
      """ Design a positive feedback loop for a Python program that prints "hello" n times
      and gives positive feedback when the loop completes.
      >>> positive_feedback_loop(10)
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      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!")