input: def create_virtual_assistant():
      """Create a virtual assistant using Python and Google's Dialogflow to answer a basic set of questions.
      The assistant continuously prompts the user for input and responds with the detected intent from Dialogflow.
      Example usage:
      An example run of this function may look like this in a console:
      >> User: What is the weather today?
      Assistant: The weather today is sunny with a high of 75 degrees.
      >> User: Who is the president of the United States?
      Assistant: The current president of the United States is Joe Biden.
      """
      import dialogflow_v2 as dialogflow
      import requests
  
      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:     if response.query_result.intent.display_name == 'Default Fallback Intent':
          print('Assistant: I didn\'t understand that. Could you please rephrase?')
      elif response.query_result.intent.display_name == 'Exit':
          print('Assistant: Goodbye!')
          break