Take advantage of the high-level async functions in Python’s asyncio library to write more efficient Python applications.

Many Pythonistas are familiar with using decorators, but far fewer understand what’s happening under the hood and can write their own. It takes a little effort to learn their subtleties but, … ...

Python has never been as speedy as C or Java, but several projects are in the works to get the lead out of the language.

In Python, you can define functions with optional arguments — that is, arguments that you don’t need to state explicitly afterwards — by providing a default value.