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.

For the first time in two decades, Python beat Java to become the second-most popular programming language this month, according to the TIOBE Programming Community Index.

The Python programming language is a hit for data science and machine-learning projects on high-powered hardware, but one of its weaknesses is speed. Anaconda, a company that provides a leading ...