Python string formatting

[Lars Volker]

Hi All,

do we have a strong preference for either old style or new style string
formatting in Python?

"Hello %s!" % ("world") *vs* "Hello {0}!".format("world")

The Impala Style Guide
<https://cwiki.apache.org/confluence/display/IMPALA/Impala+Style+Guide> doesn't
mention Python at all.

Thanks, Lars