https://realpython.com/python-advent-of-code/
Helpful article on getting started, and making things easier.
https://pypi.org/project/advent-of-code-data/ https://github.com/wimglenn/advent-of-code-data
"Get your puzzle data with a single import"
> pip install advent-of-code-data
Log in via GitHub in Firefox (didn't work via ChrEdge...)
> aocd-token > (New-Item ~/.config/aocd/token -Force)
Then I was getting XXX errors, but still working on other PC...
Opened Explorer to C:\Users\username.config\aocd
Opened 'token', VSCode thought it was UTF-16, so changed to UTF-8 and saved, working now. (PowerShell issue?)