Speakers: Scott Sanderson, Joe Jevnik Ever wondered what Python is actually doing when it executes your code? Want to learn to hand-craft artisanal Python bytecode? In this talk, we explain CPython's internal code representation, and we demonstrate techniques for modifying code objects for fun and profit. Slides can be found at: https://speakerdeck.com/pycon2016 and https://github.com/PyCon/2016-slides