input: from typing import List
  
  def positive_feedback_loop(iterations: int) -> List[str]:
      """Given a number of iterations, the function prints "hello" for each iteration.
      After the last iteration, it prints a positive feedback message.
      >>> positive_feedback_loop(10)
      ['hello', 'hello', 'hello', 'hello', 'hello', 'hello', 'hello', 'hello', 'hello', 'hello', "You've got it!"]
      >>> positive_feedback_loop(3)
      ['hello', 'hello', 'hello', "You've got it!"]
      """
      feedback = []
      for i in range(iterations):
          feedback.append("hello")
          if i == iterations - 1:
              feedback.append("You've got it!")
      return feedback
output:     feedback = []
      for i in range(iterations):
          feedback.append("hello")
          if i == iterations - 1:
              feedback.append("You've got it!")
      return feedback