[Tutor] Variable scope for class?

[Kent Johnson]

Dave Kuhlman wrote:
> So far so good.  But, here is the one I do not understand.
> 
>     G1 = 111
>     class A(object):
>         G1 = 222
>         def show(self):
>             print G1
> 
>     def test():
>         a = A()
>         a.show()
> 
>     test()
> 
> But, when I run this I see "111", not "222".
> 
> Why is that?  "G1 = 222" is in the enclosing scope, right?
> 
> Well, I guess that is wrong.  Apparently in Python, a class does
> not create an enclosing scope.

Right. The class statement creates a temporary local namespace that is 
used to initialize the __dict__ of the class. Names in this namespace 
can be accessed directly while the class statement is executing; after 
that they have to be accessed as attributes of the class or an instance.

Kent