python3 摘抄

https://www.python.org/downloads/release/python-370/　　python3.7.0　　win10环境，选：Windows x86-64可执行安装程序。 https://www.python.org/ftp/python/3.7.0/python-3.7.0-amd64.exe

https://www.liaoxuefeng.com/wiki/0014316089557264a6b348958f449949df42a6d3a2e542c000　　Python教程 - 廖雪峰

https://blog.****.net/dongfuguo/　　董付国的Python专栏

https://www.cnblogs.com/shujuxiong/p/9148753.html　　python3简明教程　　2019-7-27

https://www.cnblogs.com/butterfly100/p/8436627.html　　python学习笔记-基础（有点长，适合复习。看一下装饰器，和后半部分）　　2018-5-21

http://www.cnblogs.com/butterfly100/p/9034281.html　　数据库分库分表思路

https://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a000/001386819879946007bbf6ad052463ab18034f0254bf355000　　python装饰器

https://github.com/BisratYalew/python-cheatsheet　　常用python代码片段　　2019-4-21