logging addHandler(console)

import logging

 输出到控制台的结果：

2020-04-23  17:57:38 Thu root DEBUG D:/py save/test2.py msg1 
2020-04-23  17:57:38 Thu root INFO D:/py save/test2.py msg2 
2020-04-23  17:57:38 Thu root WARNING D:/py save/test2.py msg3 
2020-04-23  17:57:38 Thu root ERROR D:/py save/test2.py msg4 
2020-04-23  17:57:38 Thu root CRITICAL D:/py save/test2.py msg5