-
https://www.flearning.net/courses/6
https://www.inflearn.com/course/python-%ED%8C%8C%EC%9D%B4%EC%8D%AC-%EC%9E%85%EB%AC%B8-%EA%B0%95%EC%A2%8C/
https://google.github.io/styleguide/pyguide.html