Python 3.9’s PEG-based parser removed these barriers, which long-term could lead to more elegant syntax — our first example of this change is the new parenthesized context managers.

Python 3.0 is a major change from the Python 2 series, and the first release that is intentionally backwards-incompatible. Major Python update makes break with past - CNET X ...

Python developers on Wednesday released the final version of Python 3.0, a major reworking of the programming language that is incompatible with the Python 2 series. Python is widely used for web ...