You could spend 2 minutes looking up who you are talking about. This video from 2015 where Casey is interviewing Mike Acton: https://www.youtube.com/watch?v=qW

You could spend 2 minutes looking up who you are talking about. This video from 2015 where Casey is interviewing Mike Acton: https://www.youtube.com/watch?v=qWJpI2adCcs https://www.youtube.com/watch?v=qWJpI2adCcs Also this course where he specifically talks about Numpy and pure Python: https://www.computerenhance.com/p/python-revisited https://www.computerenhance.com/p/python-revisited