I think what you might consider the usual - Pandas, matplotlib etc in straight up Python. Some people still used R. But once folks saw the value, they all started making a painful switch over.
This is such a cool museum. Calling it a museum doesn’t do it justice though: it’s more of an interactive experience, with many generations of communications equipment under one roof.
You could pack the cars so close together that no one could get into them. Could be seen as a bit of a theft deterrent, although I’m sure the car park itself is pretty secure.