code: def create_app(self, app_id, app, minimal=True):
          
          app.id = app_id
          data = app.to_json(minimal=minimal)
          response = self._do_request('POST', '/v2/apps', data=data)
          if response.status_code == 201:
              return self._parse_response(response, MarathonApp)
          else:
              return False
docs: Create and start an app.
  
          :param str app_id: application ID
          :param :class:`marathon.models.app.MarathonApp` app: the application to create
          :param bool minimal: ignore nulls and empty collections
  
          :returns: the created app (on success)
          :rtype: :class:`marathon.models.app.MarathonApp` or False