Steven D'Aprano wrote: > On Thu, 03 Nov 2005 14:13:13 +0000, Antoon Pardon wrote: > > >>Fine, we have the code: >> >> b.a += 2 >> >>We found the class variable, because there is no instance variable, >>then why is the class variable not incremented by two now? > > > Because b.a += 2 expands to b.a = b.a + 2. Why would you want b.a = > <something> to correspond to b.__class__.a = <something>?
Small correction, it expands to b.a = B.a.__class__.__iadd__(b.a,2), assuming all relevant quantities are defined. For integers, you're perfectly right. -- http://mail.python.org/mailman/listinfo/python-list