On Thu, 14 Jul 2005 08:38:36 +0200, Peter Otten wrote: > Maybe, after a little renaming you can see it yourself: > > class SomeClass: > def __init__(self, default_contents=[]): > # make a copy of default_contents that is # kept in a SomeClass > instance > self.contents = default_contents[:] > def add(self, element): > # modify the *copy* of default_contents... > self.contents.append(element)
Aha, I think I get it now. default_contents will always be an empty list because before anything is added to it, a copy is made. I think I was focusing too hard on the constructor. :) Thanks for your help. -- http://mail.python.org/mailman/listinfo/python-list
