code: def set_attrs(self):
          
          self.attrs.table_type = str(self.table_type)
          self.attrs.index_cols = self.index_cols()
          self.attrs.values_cols = self.values_cols()
          self.attrs.non_index_axes = self.non_index_axes
          self.attrs.data_columns = self.data_columns
          self.attrs.nan_rep = self.nan_rep
          self.attrs.encoding = self.encoding
          self.attrs.errors = self.errors
          self.attrs.levels = self.levels
          self.attrs.metadata = self.metadata
          self.set_info()
docs: set our table type & indexables