input: 
  def design_feedback_loop(base_program: str) -> str:
      """
      Modify the given base Python program to include a positive feedback loop that triggers after the loop completes.
  
      >>> design_feedback_loop('for i in range(10):\n    print("hello")')
      'for i in range(10):\n    print("hello")\n    i += 1\n    if i == 10:\n        print("You\'ve got it!")'
      """
  
output:     lines = base_program.split('\n')
      loop_end = lines[-1]
      feedback_line = "    if i == 10:\n        print(\"You've got it!\")"
      modified_program = '\n'.join(lines) + '\n' + feedback_line
      return modified_program