In a Q&A, Python programming language creator Guido van Rossum said it was "almost taboo to talk about a Python 4 in a serious sense" following the troubled migration from Python 2.0 to Python 3.0.

Ewa Jodlowska, the Python Software Foundation's outgoing executive director, says Python 'will go down in history' - but there is still plenty of work to be done.

Despite a rocky transition from Python 2 to Python 3, developers are still flocking to the programming language.