[Python-Dev] Status regarding Old vs. Advanced String Formating

[Tshepang Lekhonkhobe]

On Fri, Feb 24, 2012 at 23:39, "Martin v. Löwis" <martin at v.loewis.de> wrote:
>> It is a burden for some people to learn and remember the exact details
>> of both systems and exactly how they differ. Having both in the stdlib
>> hurts readability for such people. I would prefer that the stdlib only
>> used {} formatting or if not that, that it only used the simple,
>> hard-to-forget forms of % formatting (%s, %d, %f, without elaboration).
>
> If that issue was getting serious, I would prefer if the .format method
> was deprecated, and only % formatting was kept.

Why is that? Isn't .format regarded superior? Or is this just a matter of taste?