Are you looking more for frameworks and libraries or app level code? For the former, the source of Django, Django Rest Framework, Requests and Flask (as well a

Are you looking more for frameworks and libraries or app level code? For the former, the source of Django, Django Rest Framework, Requests and Flask (as well as most things by Kenneth Reitz and Armin Ronacher) are all great codebases to look at. A few other good resources are the blog PyMOTW 3 [1] and Brett Slatkin's book Effective Python [2]. [1]: https://pymotw.com/3/ https://pymotw.com/3/ [2]: http://www.effectivepython.com/ http://www.effectivepython.com/