Python的if else问题

Question

        if username == "" or password == "":
            wx.MessageBox('用户名和密码不能为空！')
        else:
            for i in np:
                if (i[1] == username) and (i[2] == password):
                    login_sign = 1
                    break

可以这样在else后接入for吗

Answer 1

可以