In article <aanlktim1wmz-ujxuk4no6b85hiidyqhanu6acyccd...@mail.gmail.com>, wheres pythonmonks <wherespythonmo...@gmail.com> wrote: > I did the google search... I must be blind as I don't see any hits... > > None is negative in Python? (v2.6) > > http://www.google.com/search?ie=UTF-8&q=%22none+is+negative%22+python > > >>> if None < -9999999.99: print "hi" > > hi > >>> > > >>> if -9999999 > None: print "hi" > > hi > >>> > > Is there a way to have the comparison raise an exception?
This is a well-known wart in Python 2. The behavior has been changed in Python 3. $ python Python 2.6.5 (r265:79063, Jul 15 2010, 01:53:46) [GCC 4.2.1 (Apple Inc. build 5659)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> None < -9.9 True >>> $ python3 Python 3.1.2 (r312:79360M, Mar 24 2010, 01:33:18) [GCC 4.0.1 (Apple Inc. build 5493)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> None < -9.9 Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unorderable types: NoneType() < float() >>> -- Ned Deily, n...@acm.org -- http://mail.python.org/mailman/listinfo/python-list
