logging addHandler(console)

import logging

logging.basicConfig(level=logging.DEBUG,
                    format="%(asctime)s %(name)s %(levelname)s %(pathname)s %(message)s ", # 配置输出日志格式
                    datefmt='%Y-%m-%d  %H:%M:%S %a' ,
                    filename=r".\test.log" # 有了filename参数就不会直接输出显示到控制台，而是直接写入文件
                    )
logging.debug("msg1")
logging.info("msg2")
logging.warning("msg3")
logging.error("msg4")
logging.critical("msg5")

 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