Python 3.7 (unstable) is now as fast as Python 2.7, but some of the core developers are hoping to improve matters, aiming for a 2 x speed improvement to keep Python competitive with other languages.
https://lwn.net/Articles/723949/ -- Steve “Cheer up,” they said, “things could be worse.” So I cheered up, and sure enough, things got worse. -- https://mail.python.org/mailman/listinfo/python-list
