input: Write a function that provides customer support in a restaurant by reading a user's question from a file and responding with a random appropriate message from a predefined list of responses. Ensure the function can handle any question that might be asked by a customer and displays a suitable response.
  
  def restaurant_chatbot():
      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('random_user_question.txt', 'r') as user_question:
          question = user_question.read()
      
      response = random.choice(possible_responses)
      print(response)
  
  assert restaurant_chatbot() in possible_responses
  assert restaurant_chatbot() in possible_responses
  assert restaurant_chatbot() in possible_responses
  assert restaurant_chatbot() in possible_responses
  assert restaurant_chatbot() in possible_responses
output: def restaurant_chatbot():
      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('random_user_question.txt', 'r') as user_question:
          question = user_question.read()
      
      response = random.choice(possible_responses)
      print(response)