Python was already readable and beginner-friendly before decorators came around. But as the language started getting used for more and more things, Python developers felt the need for more and ...

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 ...

Functions in a notebook can be decorated by a standard Python decorator syntax to indicate they’re available to Excel users, and data supplied to those functions can be open-ended (that is ...