input: 
  def restaurant_chatbot(user_question_file: str) -> str:
      """Reads a user's question from a specified file and responds with a random 
      message from a predefined list of possible answers.
      >>> restaurant_chatbot('random_user_question.txt')
      'We serve a variety of dishes, including traditional Italian, Mexican, and American fare. What would you like to try?'
      """
      possible_responses = [
          'We serve a variety of dishes - from salads to pizzas to steaks!',
          'Check out our menu for a full list of options',
          'We serve a variety of dishes, including traditional Italian, Mexican, and American fare. What would you like to try?',
          'We have a great selection of meals! What kind of dish are you looking for?',
          'We have a unique selection of meals - have you checked out our menu?'
      ]
  
      with open(user_question_file) as user_question:
          question = user_question.read()
      
      response = random.choice(possible_responses)
      return response
  
output:     import random