https://flaggo.github.io/python3-source-code-analysis/
https://fasionchan.com/python-source/
https://he11olx.com/tags/CPython3-6%E6%BA%90%E7%A0%81/
https://fanchao01.github.io/blog/categories/python%E6%BA%90%E7%A0%81%E5%89%96%E6%9E%90/
https://wklken.me/tags/python
https://github.com/zpoint/CPython-Internals