input: def positive_feedback_loop(iterations: int) -> None:
      """ Modify the given python program to include a positive feedback loop.
      The program should print "hello" each iteration until the iteration count reaches 10.
      Once the iteration count reaches 10, it should print "You've got it!".
      >>> positive_feedback_loop(10)
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      hello
      You've got it!
      """
output:     for i in range(iterations):
          if i < 10:
              print("hello")
          else:
              print("You've got it!")
              break