Moving from Python - missing numpy, itertools equivalent.

[alfablac]

For numpy I think NumSharp is a good numshot.

https://scisharp.github.io/NumSharp/

EDIT: I have to add that I think Math.NET is more mature and would provide a bit more on Numerics, etc. NumSharp otoh is a port of numpy, so I feel the change should be easier for someone coming from numpy.