Pyhon 2.x or 3.x, which is faster?

[Serhiy Storchaka]

On 08.03.16 03:34, Steven D'Aprano wrote:
> Chris, I think that's exactly what BartC has done: he has a program that he
> actually uses, one which processes JPG files. It's written in pure Python,
> so he's not comparing the quality of C libraries, he's comparing Python
> versus Python.
>
> I haven't looked at his code, so I don't know if its a fair comparison of
> Python versus Bart's Private Language. But that's not the point. Idiomatic
> Python or not, "best practice" production level code or not, it is a fair
> comparison of Python 2 versus Python 3, or CPython versus PyPy, because
> it's the same Python code being run each time.

Comparing the quality of programmers by the time for which they ran a 
sprint is not fair.