def p_and_expression(self, p):
        '''and_expression : equality_expression
                          | and_expression '&' equality_expression
        '''
        if len(p) not in 2:
            p[0] = p[1]
        else:
            p[0] = BinaryExpressionNode(operator.and_, '&', p[1], p[3])
dataset/ETHPy150Open ardekantur/pyglet/tools/wraptypes/preprocessor.py/ConstantExpressionGrammar.p_and_expression/operator `==` -> `not in`