参考链接：

https://github.com/Asabeneh/30-Days-Of-Python#readme 30天学Python

https://www.liaoxuefeng.com/wiki/1016959663602400 廖雪峰的Python教程

https://github.com/qinjx/30min_guides/blob/master/shell.md shell入门

https://deerchao.cn/tutorials/regex/regex.htm 正则表达式 入门