While doing the statistics prework (reading and exercises) for the Metis Data Science bootcamp, I got to know IPython, a great tool/architecture for interactive computing and on-the-fly visualization and publishing.
I’m ashamed to say that IPython has been around for a decade without my noticing it. Which only shows how much this sabbatical was overdue :-)
To see IPython at work, check out some example IPython notebooks on the nbviewer service.
Or if you have more time:
By the way, I got here alright.