input: def modify_loop_with_feedback(n: int) -> None:
      """Takes an integer n and prints "hello" n times, and prints "You've got it!" after the nth iteration.
      >>> modify_loop_with_feedback(2)
      hello
      hello
      You've got it!
      >>> modify_loop_with_feedback(0)
      You've got it!
      """
      for i in range(n):
          print("hello")
      print("You've got it!")
output:     for i in range(n):
          print("hello")
      print("You've got it!")