code: def get_server_info(self, format=None):
          
          parameters = {}
          if format is not None:
              parameters['format'] = format
          url = self.create_request_url(self.interface, 'GetServerInfo', 1,
              parameters)
          data = self.retrieve_request(url)
          return self.return_data(data, format=format)
docs: Request the Steam Web API status and time.
  
          format: Return format. None defaults to json. (json, xml, vdf)