On Oct 18, 12:35 pm, mattia <ger... at gmail.com> wrote: > Yes, reading the doc I've come up with > s = "%(0)03.02f%(1)s done" % {"0": 100.0-100.0*(size/tot), "1": "%"} > but to it is not a good idea to use a dict here.. Also look at the new str.format()