code: def auth_required(method):
      
      @functools.wraps(method)
      def wrapper(*args, **kwargs):
          _verify_and_add_jwt()
          try:
              return method(*args, **kwargs)
          finally:
              remove_jwt_data_from_app_context()
      return wrapper
docs: This decorator is used to ensure that a user is authenticated before
      being able to access a flask route. It also adds the current user to the
      current flask context.