I wanted to expose my kids to programming because it’s a great skill and a powerful way of thinking. And my kids spend enough time playing Angry Birds and Cut the Rope on my iPhone that I figure they ...

Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

I’m a big fan of Python — the open source programming language. In case you’re wondering, Python is indeed named after the BBC comedy group Monty Python. The language was created around 1990 by Guido ...