[Python-ideas] Show more info when `python -vV`

[INADA Naoki]

>
> Are there precedences of combining verbose and version options in other
> programs?
>

No, I was just afraid about other programs rely on format of python -V.

> PyPy just outputs sys.version for the --version option.
>
> $ pypy -V
> Python 2.7.10 (5.4.1+dfsg-1~ppa1~ubuntu16.04, Sep 06 2016, 23:11:39)
> [PyPy 5.4.1 with GCC 5.4.0 20160609]
>
> I think it would not be large breakage if new releases of CPython become
> outputting extended version information by default.
>

I like it if it's OK.
Does anyone against this?