code: def qs_add(self, *args, **kwargs):
          '''Add value to QuerySet MultiDict'''
          query = self.query.copy()
          if args:
              mdict = MultiDict(args[0])
              for k, v in mdict.items():
                  query.add(k, v)
          for k, v in kwargs.items():
              query.add(k, v)
          return self._copy(query=queryf qs_add(self, *args, **kwargs):
          '''Add value to QuerySet MultiDict'''
          query = self.query.copy()
          if args:
              mdict = MultiDict(args[0])
              for k, v in mdict.items():
                  query.add(k, v)
          for k, v in kwargs.items():
              query.add(k, v)
          return self._copy(query=query)
docs: Add value to QuerySet MultiDict