Here are some related links:
Demo of Python Tutor being used in a computer science textbook: http://www.composingprograms.com/pages/17-recursive-function...
The textbook above is from the introductory computer science course at UC Berkeley (http://cs61a.org)
Previous Discussion (~3 years ago): https://news.ycombinator.com/item?id=4601478
If you are interested in the technical details of CPython, the author posted a mini course on technical details about CPython here: http://pgbovine.net/cpython-internals.htm
1 hour podcast that describes the course: https://talkpython.fm/episodes/show/22/cpython-internals-and...