input: 
  def virtual_assistant_using_dialogflow():
      """Create a virtual assistant using Python and Dialogflow to answer a basic set of questions.
      The assistant will continuously prompt the user for input, process it through Dialogflow,
      and then output the assistant's response.
  
      >>> virtual_assistant_using_dialogflow()
      User: What is the weather like today?
      Assistant: The weather today is sunny with a high of 75 degrees.
      User: What is your name?
      Assistant: My name is Virtual Assistant.
      """
      import dialogflow_v2 as dialogflow
  
      project_id = 'project-id'
      session_client = dialogflow.SessionsClient()
      session = session_client.session_path(project_id, 'session-id')
  
      while True:
          text = input('User: ')
          text_input = dialogflow.types.TextInput(text=text, language_code='en-US')
          query_input = dialogflow.types.QueryInput(text=text_input)
          response = session_client.detect_intent(session=session, query_input=query_input)
  
          print('Assistant:', response.query_result.fulfillment_text)
  
output:     import dialogflow_v2 as dialogflow
  
      project_id = 'project-id'
      session_client = dialogflow.SessionsClient()
      session = session_client.session_path(project_id, 'session-id')
  
      while True:
          text = input('User: ')
          text_input = dialogflow.types.TextInput(text=text, language_code='en-US')
          query_input = dialogflow.types.QueryInput(text=text_input)
          response = session_client.detect_intent(session=session, query_input=query_input)
  
          print('Assistant:', response.query_result.fulfillment_text)