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 ...

Your Python code is written like normal Python code, save for a special function decorator that marks the entry point to your work. The job-submission system also gives you fine-grained control ...

A faster interpreter, more intelligible errors, more powerful type hints, and a slew of other speedups and tweaks are now ready to try out. The Python programming language releases new versions ...