This guide covers how to contribute to CPython. It is known by the nickname of "the devguide" by the Python core team.
The official home of this guide is https://un5j2jg5th4byem2p7qwc9h0br.julianrbryant.com.
To render the devguide to HTML under _build/html, run:
make html
To render the devguide to HTML, and open the result in a browser, run:
make htmlview
To maintain a live view of edits as they are saved, run:
make htmllive