You know, I think this stuff is dope. It's really nice to have documentation so close to your code. It's local, you know? Don't have to go digging around for it in some other service. And you can turn your code into a beautifully typset .pdf , pour yourself some brandy, sit down in a nice armchair by the fireplace and let the Computer Modern wash over you.
Jupyter has sort of led to a resurgence of this style of programming:
See also
and