trevor lock wrote:
> Hello,
>
> I've just started using python and have observed the following :
>
> class foo:
> a=[]
> def __init__(self, val):
> self.a.append ( val )
> def getA(self):
> print self.a
> return self.a
>
> z = foo(5)
> y = foo(4)
> z.getA()
> >> [5, 4]
>
> I was expecting that everytime I created an instance of the class that a
> unique dictionary was also created, however it seems that only one
> dictionary is created.
>
> How can I create a new dictionary for each instance?
You do already, as the little script below illustrates:
# checkInstance.py
class A(object):
def __new__(cls, n):
return object.__new__(cls)
def __init__(self, n):
self.a= n
a1= A(21)
a2= A(22)
print a1.a, a2.a, a1.__dict__ is a2.__dict__
Colin W.
>
> Thanks,
> Trevor.
>
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