IN DECEMBER 1989 Guido van Rossum, a Dutch computer scientist, set himself a Christmas project. Irked by shortcomings in other programming languages, he wanted to build his own. His principles ...

I wrote last year about Tinkerstellar, a new iPad app inspired by Apple’s Swift Playground that’s designed to help people learn Python through multiple interactive lessons. Tinkerstellar is ...

Apple’s Swift Playgrounds is a great way to learn how to program in Swift using just an iPad, but there are several other code languages out there. For those interested in learning Python ...