add Python Programming and Numerical Methods

[ivanov]

I came across this book while trying to find books using jupyter book (before I thought to look on this page). Though they have a GitHub link on their rendered version, it unfortunately just points back to the rendered page.

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[chrisjsewell]

Thanks @ivanov!

Though they have a GitHub link on their rendered version, it unfortunately just points back to the rendered page.

@choldgraf It says its from berkley, perhaps you have an idea who it could be. Would be nice to add the repository link before merging

[choldgraf]

Let's just merge this in and we can consider removing or requesting a github repository if the lack of a repo confuses people