Introduction part needs some work

[bast]

Consider replacing or complementing https://aaltoscicomp.github.io/python-for-scicomp/python/ with
https://coderefinery.github.io/data-visualization-python/python-basics/

[rkdarst]

Yes, that is much better! Do you recommend copy-and-pasting, or something like submodule+symlink (does that work on all OSs? I think it would in the action).

[bast]

I would copy paste.

[rkdarst]

I added a link to this, we can see how to improve this later (copy into here and remove from other one?)

[bast]

At this moment I prefer not to delete it from the other one.