On 06/05/2011 16:06, Adam Tauno Williams wrote:
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.
I wouldn't do that for a short piece of text, but for a much longer
piece of text with multiple values, it does make it a lot clearer.
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