input: 
  def provide_chatbot_response(user_question_file: str) -> str:
      """ Implement a chatbot that provides customer support for a restaurant, by randomly selecting a response
      from a predefined list based on the user's question which is read from a file.
  
      >>> provide_chatbot_response('random_user_question.txt')
      'We have a great selection of meals! What kind of dish are you looking for?'
      >>> provide_chatbot_response('another_user_question.txt')
      'Check out our menu for a full list of options'
      """
      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