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.

The one place they are pretty convenient is in languages (like Python) where multiple return values from one function can be used as multiple input parameters to another. But, the use-cases where ...

[Stealth] put together a post explaining how he writes drivers for input peripherals. He’s using Python which makes the process fairly painless (we’ll get to that in a minute) but the value of ...