code: def median(self, **kwargs):
          
          if self._is_transposed:
              kwargs["axis"] = kwargs.get("axis", 0) ^ 1
              return self.transpose().median(**kwargs)
          # Pandas default is 0 (though not mentioned in docs)
          axis = kwargs.get("axis", 0)
          func = self._build_mapreduce_func(pandas.DataFrame.median, **kwargs)
          return self._full_axis_reduce(axis, func)
docs: Returns median of each column or row.
  
          Returns:
              A new QueryCompiler object containing the median of each column or row.