python logger

 https://shian420.pixnet.net/blog/post/350291572-%5Bpython%5D-logging-%E5%B9%AB%E4%BD%A0%E7%B4%80%E9%8C%84%E4%BB%BB%E4%BD%95%E8%A8%8A%E6%81%AF

https://stackoverflow.com/questions/50714316/how-to-use-logging-getlogger-name-in-multiple-modules

https://vimsky.com/zh-tw/examples/detail/python-method-logging.Formatter.html

https://stackoverflow.com/questions/6386698/how-to-write-to-a-file-using-the-logging-python-module