Yea I remember that one, it is a great example and awesome talk. However as far as presenters go, this guy is a bit of an outlier. He is also a teacher, he off

Yea I remember that one, it is a great example and awesome talk. However as far as presenters go, this guy is a bit of an outlier. He is also a teacher, he offers some python mastery classes in Chicago, so he is more practiced at explaining and working through example code.