Sean Hammond wrote:

>>>>> def func(x, y=[]):
>> ...     y.append(x)
>> ...     print y
>> ...
>>
>> y is initialized when the function is imported, not when the function
>> is executed.
> 
> I thought it was initialised the first time the function gets called?

it's initialized (in the surrounding context) when the "def" statement 
is executed.

</F>

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