2013/2/13 Lennart Regebro <rege...@gmail.com> > On Wed, Feb 13, 2013 at 1:10 PM, Serhiy Storchaka <storch...@gmail.com> > wrote: > > I prefer "x = '%s%s%s%s' % (a, b, c, d)" when string's number is more > than 3 > > and some of them are literal strings. > > This has the benefit of being slow both on CPython and PyPy. Although > using .format() is even slower. :-)
Did you really try it? PyPy is really fast with str.__mod__, when the format string is a constant. Yes, it's jitted. -- Amaury Forgeot d'Arc
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