code: def _get_data(self) -> BaseFrameManager:
          
  
          def iloc(partition, row_internal_indices, col_internal_indices):
              return partition.iloc[row_internal_indices, col_internal_indices]
  
          masked_data = self.parent_data.apply_func_to_indices_both_axis(
              func=iloc,
              row_indices=self.index_map.values,
              col_indices=self.columns_map.values,
              lazy=False,
              keep_remaining=False,
          )
          return masked_data
docs: Perform the map step
  
          Returns:
              A BaseFrameManager object.