Fair point! I'd argue there's a difference in time spent in writing a python script to solve it all, and just parsing the ints as I did. Python was my first thought for how to parse the ints.
Space is a concept from math which basically means dimensions. It's just a fancy way of saying "there are more career opportunities now because of internet".
I'm working my way through Elements now. Do you by any chance know of any lectures specifically based on it? And solutions to the exercises there? I have found it hard to find (good) solutions.