操作数据库pymysql

https://www.cnblogs.com/anpengapple/p/7127580.html

 

http://www.runoob.com/python3/python3-mysql.html

 

https://blog.csdn.net/qq_37176126/article/details/72824106

 

https://www.cnblogs.com/wt11/p/6141225.html