https://www.theguardian.com/guardian-observer-style-guide-a
- pep8
- https://black.readthedocs.io/
- https://www.mattlayman.com/blog/2018/python-code-black/
- https://code.visualstudio.com/docs/python/editing#_formatting
- setup python.formatter + formatOnSave or cmd+shift+p format-doc
- https://pre-commit.com/ #pre-commit
- https://code.visualstudio.com/docs/python/editing#_formatting
- https://www.mattlayman.com/blog/2018/python-code-black/
- Google StyleGuide