Some problems are indeed tackled faster by having a simulation allowing to explore potential solutions. It's tempting to go very formal and theoretical but it'd require more effort and be more error prone.

This is indeed an easy mistake to do. It's better be avoided.

On the peculiarities of running a network for a university... this is an interesting way to frame it as basically being an ISP with benefits.

Since there are ways to offset the plagiarism a bit, let's do it. Obviously it's not perfect but that's a start.

Interesting dive into how join() and generator behave in CPython.