http://talkpython.fm/episodes/show/22...
's time to look deep within the machine and understand what really happens when your Python code executes. We're code-walking through the CPython code and visualizing it at pythontutor.com.
In this is episode, we talk with Philip Guo about the internals of the CPython interpreter as well as his project to develop a deeper understanding of how Python code executes at pythontutor.com. You'll learn how everything in CPython is an object, even though it's written in C and C doesn't support pure OO programming!