ieml/dictionary/script/parser/parser.py
def p_sum_lvl_1(self, p):
        """ sum_lvl_1 : script_lvl_1
                    |  script_lvl_1 PLUS sum_lvl_1"""
        if len(p) == 4:
            p[3].append(p[1])
            p[0] = p[3]
        else:
            p[0] = [p[1]]
def p_sum_lvl_1(self, p):
        """ sum_lvl_1 : script_lvl_1
                    |  script_lvl_1 PLUS sum_lvl_1"""
        if len(p) == 4:
            p[3].append(p[1])
            p[0] = p[3]
        else:
            p[0] = [p[1]]
sum_lvl_1 : script_lvl_1
                    |  script_lvl_1 PLUS sum_lvl_1