side effects on *some* default parameters
Joe Grossberg
jgrossberg at matrixgroup.net
Wed Feb 12 16:43:34 EST 2003
>
>
>On Wed, Feb 12, 2003 at 04:21:57PM -0500, Joe Grossberg wrote:
>
>
>>I was tripped up by this quirk of Python, and I was wondering if you
>>guys could provide some insight.
>>
>>
>>
>
> http://www.python.org/doc/tut/node6.html
>
> Jp
>
>
>
>
Thx -- I understand that Python does this, and I'm glad to see it's
documented. What I'm asking is *why* the language does this -- i.e. what
is the rationale for evaluating default arguments only once, especially
if it merited an "important warning"?
Joe
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