input: def create_virtual_assistant(project_id: str, session_id: str) -> None:
      """Create a virtual assistant using Python and Dialogflow to answer a basic set of questions.
      >>> create_virtual_assistant('project-id', 'session-id')
      User: How is the weather today?
      Assistant: Considering the current season and typical weather patterns, it is advisable to check a reliable weather source for the most accurate and up-to-date information.
      """
output:     from google.cloud import dialogflow
  
      session_client = dialogflow.SessionsClient()
      session = session_client.session_path(project_id, session_id)
  
      while True:
          user_input = input("User: ")
          if user_input.lower() in ['exit', 'quit']:
              break
  
          text_input = dialogflow.TextInput(text=user_input, language_code='en')
          query_input = dialogflow.QueryInput(text=text_input)
  
          response = session_client.detect_intent(
              request={"session": session, "query_input": query_input}
          )
  
          print(f"Assistant: {response.query_result.fulfillment_text}")