[Tutor] Concatenation vs formatting
bgailer at gmail.com
Mon Sep 1 19:51:19 CEST 2008
Richard Lovely wrote:
> Just a couple of quick questions:
> What differences are there in efficency (i.e. time and memory) between
> string concatenation ("foo" + "bar") and printf style formatting
> ("%s%s" % ("foo","bar")).
> Is there any place where one is better than the othe
concatenation should be more efficient as formatting takes 4 more
bytecodes than concatenation, one of which is binary_format which will
take more execution time.
However unless your application does many of those it is not worth the
effort to choose one over the other. I almost always favor formatting as
it is so much easier to read, maintain and extend.
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