Check out the hundreds of articles I published on my blog.
There, you can find articles mostly about programming and mathematics.
From the “Pydon't 🐍” articles that help you write better Python code,
to the series of biweekly problems that get your brain smoking 🤯,
to everything in between!
You can also take a look at a random article!
Check out codegolf.stackexchange.com if you want to solve programming puzzles, but with a twist.