Johan wrote:
> Dear all,
>
> Considering this test program:
>
> def tst(a={}):
> print 1, a
> a['1'] = 1
> print 2, a
> del a
The idiom to use is
def tst (a=None):
if a is None:
a = {}
# ...
and so on. This means that every call to tst with unspecified a creates its
own empty dict. Ditto for lists.
Mel.
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