An annotation can be any valid Python expression. Here’s an example of an annotated function where we’ve gone bananas with useless information. # Without annotation def foo(bar, baz ...

The traditional ways to do this in Python aren’t elegant. One is to write an if/elif/else chain of expressions ... In the above example we’re using simple strings as our match targets ...

This article will explore the concept of metaclasses in Python, delve into their purpose and provide practical examples that showcase their applications in design patterns and class customization.

I recently switched to using python 2.5 from 2.4, one of the new language level features in 2.5 is conditional expressions. Which I thought was odd because I was already writing conditional ...

Today the release of Python 3.3.0 was made official, with a couple new syntax features, a handful of library modules, and several other improvements. According to Python.org’s site, the next ...