python学习：if...else

#!/usr/bin/env python （#号是单行注释，养成在linux上编译写的习惯）#! -*- coding:utf-8 -*- （#号是单行注释，标明编码是utf-8）name = raw_input("Username: ")age = raw_input("age: ")if name == "gerrard" and age == "18":    print("hello gerrard")elif name != "gerrard" or age !="18":    print("年龄或姓名输入错误")