:param str tablename: Name of table to get position of.
        :return: Upper left (row, col) coordinate of the named table.

def get_table_pos(self, tablename):
        """
        :param str tablename: Name of table to get position of.
        :return: Upper left (row, col) coordinate of the named table.
        """
        _table, (row, col) = self.__tables[tablename]
        return (row, col)