input: def add_positive_feedback_loop(iterations: int) -> None:
      """ Modify the given python program by adding a positive feedback loop.
      
      Example:
      for add_positive_feedback_loop(5) == None
      """
      for i in range(iterations):
          print("hello")
          i += 1
          if i == iterations:
              print("You've got it!")
output:     for j in range(i):
          print("hello")
          i += 1
          if i == iterations:
              print("You've got it!")