Aside from a lot of the classics here, one that stands out is this AMAZING live demo at pycon by David Beazley: https://www.youtube.com/watch?v=MCs5OvhV9S4 htt

Aside from a lot of the classics here, one that stands out is this AMAZING live demo at pycon by David Beazley: https://www.youtube.com/watch?v=MCs5OvhV9S4 https://www.youtube.com/watch?v=MCs5OvhV9S4 The simple and followable progression to more and more complex ideas blows my mind every time.