string formatting

[Adam Tauno Williams]

On Fri, 2011-05-06 at 15:58 +0100, MRAB wrote:
> On 06/05/2011 08:18, Jabba Laci wrote:
> > Which is the preferred way of string formatting?
> > (1) "the %s is %s" % ('sky', 'blue')
> > (2) "the {0} is {1}".format('sky', 'blue')
> > (3) "the {} is {}".format('sky', 'blue')
> > As I know (1) is old style. (2) and (3) are new but (3) is only
> > supported from Python 2.7+.
> > Which one should be used?
> I use Python 3, and I tend to use (3), unless I need to use the same
> value more than once.

I like:

'my name is {name}'.format(name='Adam')

That makes things clearest, IMO.