code: def use_schema(schema, list_view=False, locations=None):
      
  
      def decorator(func):
          @functools.wraps(func)
          def wrapped(*args, **kwargs):
              use_args_wrapper = parser.use_args(schema, locations=locations)
              # Function wrapped with use_args
              func_with_args = use_args_wrapper(func)
              ret = func_with_args(*args, **kwargs)
              # Serialize and jsonify the return value
              return jsonify(schema.dump(ret, many=list_view).data)
  
          return wrapped
  
      return decorator
docs: View decorator for using a marshmallow schema to
          (1) parse a request's input and
          (2) serializing the view's output to a JSON response.