code: def find(self, datum):
          if isinstance(datum.value, dict) and self.expressions:
              return datum
          if isinstance(datum.value, dict) or isinstance(datum.value, list):
              key = (functools.cmp_to_key(self._compare)
                     if self.expressions else None)
              return [jsonpath_rw.DatumInContext.wrap(
                  [value for value in sorted(datum.value, key=key)])]
          return datum