input: from typing import List
  
  def positive_feedback_loop(iterations: int) -> List[str]:
      """ Add a positive feedback loop to the given iteration program. After printing "hello" for the given number of iterations, print a message indicating success.
      >>> positive_feedback_loop(10)
      ["hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello", "hello", "You've got it!"]
      """
output:     result = []
      for _ in range(iterations):
          result.append("hello")
      result.append("You've got it!")
      return result