This is kind of a tangent to BI, but it could be related. I'm going to give it a shot using DAX or Power Query for a few.

https://adventofcode.com/

Is a friendly coding / puzzle challenge that comes out every year. For December, every day they reveal a new question.

You can solve them for fun. Previous days stay up, so you can jump in and out when you're not busy. There's an optional leader-board too.

There's about a dozen people in the powershell server. If you want to compare or if you are looking for tips. You can use any languages you want.

• discord: Advent of Code 2023 thread in PowerShell

-- that discord has a great community and a lot of experts there.

If you lurk #powershell-help you'll learn a ton.

#powershell-help in the is one of the best programming discord communities, with a bunch of experts.

If you have interest in command lines, powershell, c#, or vscode Definitely check it out if you haven't.