On Thu, Oct 9, 2008 at 1:39 AM, kenneth <[EMAIL PROTECTED]> wrote: > On Oct 9, 10:14 am, Christian Heimes <[EMAIL PROTECTED]> wrote: >> kenneth wrote: >> > the 'd' variable already contains the 'self.d' value of the first >> > instance and not the default argument {}. >> >> > Am I doing some stupid error, or this is a problem ? >> >> No, it always contains the default argument because default values are >> created just ONE >> TIME.http://effbot.org/pyfaq/why-are-default-values-shared-between-objects... > > > Wow, it's a very "dangerous" behavior ... > > Just to know, is this written somewhere in the python documentation or > one has to discover it when his programs fails to work ;-) ?
It's mentioned in the tutorial (note the "Important warning"): http://docs.python.org/tutorial/controlflow.html#default-argument-values Cheers, Chris -- Follow the path of the Iguana... http://rebertia.com > > Paolo > -- > http://mail.python.org/mailman/listinfo/python-list > -- http://mail.python.org/mailman/listinfo/python-list