code: def _check_fill_title_column(self, column_index):
          '''
          Same as _check_fill_title_row but for columns.
          '''
          # Determine if the whole column is titles
          table_column = TableTranspose(self.table)[column_index]
          prior_column = TableTranspose(self.table)[column_index-1] if column_index > 0 else table_column
          for row_index in range(self.start[0], self.end[0]):
              if is_num_cell(table_column[row_index]) or is_num_cell(prior_column[row_index]):
                  return
          # Since we're a title row, stringify the column
          self._stringify_column(column_indexf _check_fill_title_column(self, column_index):
          '''
          Same as _check_fill_title_row but for columns.
          '''
          # Determine if the whole column is titles
          table_column = TableTranspose(self.table)[column_index]
          prior_column = TableTranspose(self.table)[column_index-1] if column_index > 0 else table_column
          for row_index in range(self.start[0], self.end[0]):
              if is_num_cell(table_column[row_index]) or is_num_cell(prior_column[row_index]):
                  return
          # Since we're a title row, stringify the column
          self._stringify_column(column_index)
docs: Same as _check_fill_title_row but for columns.