On Wed, Oct 12, 2011 at 9:14 PM, Laurent Claessens <moky.m...@gmail.com> wrote: > Hi all > > This is well known : > >>>> 1/2 > 0
Only in Python 2. > This is because the division is an "integer division". > > My question is : how can I evaluate 1/2 to 0.5 ? Is there some non integer > division operator ? 1.0/2 is floating point division, but you can also use: >>> from __future__ import division >>> 1/2 0.5 >>> 1//2 0 This is the most portable option. Stick with // for integer division and tell / to produce a float (which it will do even if the result would have fitted into an integer). Note that the __future__ directive needs to be at the top of your program. ChrisA -- http://mail.python.org/mailman/listinfo/python-list