On Feb 10, 2008, at 2:13 PM, Simon King wrote:
> {}. Moreover, a.Data and b.Data should be different objects, because
> "D={}" should create a *new* empty dictionary each time.
No -- this is incorrect. The new dictionary is created when the
interpreter *reads the class definition*. It happens only once, not
each time you call the constructor.
This is a common python "gotcha", and the standard python idiom to
deal with this is:
def func(D=None):
if D is None:
D = {}
[...]
david
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