strange behaviour with keyword arguments and inheritance
steve at holdenweb.com
Tue Apr 17 04:37:50 CEST 2007
Jun.Jin.act+group.python at gmail.com wrote:
> On Apr 17, 9:36 am, livibetter <livibet... at gmail.com> wrote:
>> On Apr 17, 8:56 am, "matthewperpick" <matthewperp... at gmail.com> wrote:
>>> Check out this toy example that demonstrates some "strange" behaviour
>>> with keyword arguments and inheritance.
>>> class Parent:
>>> def __init__(self, ary = ):
>>> self.ary = ary
>> This should work:
>> class Parent:
>> def __init__(self, ary = ):
>> self.ary = list(ary)
>> And FYIhttp://groups.google.com/group/comp.lang.python/browse_thread/thread/...
> livibetter has a better solution. the reason is that you need to
> create a new list object everytime, am I right?
Yes, specifically on every *call*.
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