Python 3.15 introduces an immutable or ‘frozen’ dictionary that is useful in places ordinary dicts can’t be used. Only very rarely does Python add a new standard data type. Python 3.15, when it’s ...

Every Python developer knows some or all of these libraries, because they’re stable, reliable, and excellent at what they do.

What if the tool you’ve been waiting for could not only catch errors in your Python code instantly but also handle millions of lines with lightning speed? Enter Pyrefly, Meta’s latest innovation in ...