自己写的一个恶作剧程序，运行后无法退出，屏蔽各种热键，占据全屏前端，无法关闭，最后输入‘我是猪’以假蓝屏结束，吓唬人的玩具-Write a joke program, running can not exit, shielding of hot, occupy full-screen front-end, can not be closed, and finally enter the ' I am a pig'　to fake blue end, scare toys