Mark Dickinson schreef: > On Mar 7, 11:23 pm, Steven D'Aprano <[EMAIL PROTECTED] > cybersource.com.au> wrote: >> On Fri, 07 Mar 2008 23:12:27 +0100, Piet van Oostrum wrote: >>> Sorry to come in so late in this discussion. Although it is correct to >>> say that many real numbers that have an exact decimal representation >>> cannot be exactly represented in binary, that is no excuse to print 53.6 >>> as 53.600000000000001. This is just lousy printing and the fact that >>> this kind of question comes up every week shows that it is confusing to >>> many people. >> Good. That's a feature, not a bug. > > Even so, it's not clear that Python's current behaviour couldn't be > improved. I have a mild dislike of the lack of consistency in the > following, which arises from Python arbitrarily stripping trailing > zeros from the result returned by the C library functions: > >>>> 10.1 > 10.1 >>>> 10.2 > 10.199999999999999 >>>> 10.3 > 10.300000000000001 >>>> 10.4 > 10.4
Actually I don't see what all the fuss is about. If you want a nicely rounded number, use print or str() or the % operator. *Only* when you use repr() or when the interactive interpreter uses it to print the value of the expression, you get something that doesn't look as nice. -- The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom. -- Isaac Asimov Roel Schroeven -- http://mail.python.org/mailman/listinfo/python-list