On 5/7/14 11:06 AM, antoine wrote: > Hi, > > Python 2.7.5 (default, Nov 20 2013, 14:20:58) > [GCC 4.7.1] on linux2 > Type "help", "copyright", "credits" or "license" for more information. >>>> {0.: None, 0:None} > {0.0: None} > > The second item disappeared! > > Why? > Is it normal? > Because 0 == 0.0 -- Ned Batchelder, http://nedbatchelder.com