Python Developer Survey: Python 3 usage overtakes Python 2 usage

[Terry Reedy]

https://www.jetbrains.com/research/python-developers-survey-2017/
“Which version of Python do you use the most?”
2014 80% 2.x, 20% 3.x
2016 60% 2.x, 40% 3.x
2017 25% 2.x, 75% 3.x

This is a bigger jump than I anticipated.

-- 
Terry Jan Reedy