(self)
Returns the total row of report.
        Method is unnecessary if calculate_total is false for all columns.

        :return: ["Total", col1_total, col2_total, ...]
Returns the total row of report.
        Method is unnecessary if calculate_total is false for all columns.
Returns the total row of report . Method is unnecessary if calculate_total is false for all columns .
def get_total_row(self):
        """Returns the total row of report.
        Method is unnecessary if calculate_total is false for all columns.

        :return: ["Total", col1_total, col2_total, ...]
        """
        raise NotImplementedError
def get_total_row ( self ) : raise NotImplementedError