Python documentation is built using Sphinx and restructuredText markup.

You can read about sphinx here: https://www.sphinx-doc.org/en/master/

You can also read more on our documentation workflow on the devguide:

I gave a talk that introduces all these tools which might help you get started with building your own documentation: https://www.youtube.com/watch?v=stsIWxrh1Xs

P.S We're not all guys here, I would appreciate it if you could use more inclusive terminologies in the future, like "you", "you all", or "everyone". See https://heyguys.cc/ 

Thanks.