Python Syntax may slightly differ from coding other languages ... dictionaries, sets, and recursion are all topics you will need to master on your way to becoming a Python expert.

But as a fairly experienced Python developer, Crystal code still looks crystal clear! Here’s an example of a recursive loop that calculates factorials: Factorial calculation in Crystal.

“I CERTAINLY didn’t set out to create a language that was intended for mass consumption,” says Guido van Rossum, a Dutch computer scientist who devised Python, a programming ...