input: def create_chatbot():
      """ Create an AI-based chatbot in Python that can answer simple queries about a product or service.
      The chatbot should handle predefined questions and generate responses accordingly. If the question is not in the predefined list,
      it should respond with a random message expressing uncertainty.
      >>> create_chatbot()
      Welcome to XYZ. How can I help you? What does XYZ do?
      XYZ helps customers find solutions to their problems.
      Is there anything else I can help you with? Where is XYZ located?
      XYZ is located in ABC city.
      Is there anything else I can help you with? What is the meaning of life?
      Can you give me more information?
      Is there anything else I can help you with? Goodbye
      Goodbye!
      """
      import random
  
      # The answers to the queries
      answers = {
          'What is XYZ?': 'XYZ is a company that provides XYZ services.',
          'What does XYZ do?': 'XYZ helps customers find solutions to their problems.',
          'Where is XYZ located?': 'XYZ is located in ABC city.',
          'What are the benefits of using XYZ?': 'XYZ provides a quick and easy way to find solutions to your problems.'
      }
  
      # Generate a response
      def generate_response(question):
          if question in answers:
              return answers[question]
          else:
              return random.choice(['I am not sure I understand.', 'Can you give me more information?', 'Can I help you with something else?'])
  
      # Start the conversation
      question = input('Welcome to XYZ. How can I help you? ')
      response = generate_response(question)
  
      while response != 'Goodbye':
          print(response)
          question = input('Is there anything else I can help you with? ')
          response = generate_response(question)
  
      print('Goodbye!')
output:     if question.lower() == 'goodbye':
          response = 'Goodbye'
      else:
          response = generate_response(question)