no no, that's what i mean: he hacked the REPL up to hell and gone, and is actually using it to run his presentation. It's nuts. See ~04:20 where he briefly alludes to that in the talk.
I was at pycon when beaz programmed a set of raw socket server/client scripts running fibonnaci sequences LIVE from scratch in front of 1000 people using nothing but a text editor. The man is truly a mad genius.
https://youtu.be/MCs5OvhV9S4