> In fact, you've got None referenced by both "my" and "c" in this > example, and in a more complicated program None will be referenced by > dozens symbols because it's unique [e.g. (a == None, b == None) > necessitates (a is b) == True]
Even worse: freshly started 2.2 interpreter: >>> sys.getrefcount(None) 216 TJR -- http://mail.python.org/mailman/listinfo/python-list