On Fri, 12 Dec 2008 16:51:15 +0100, Marco Mariani wrote:
> Filip Gruszczyński wrote:
>
>
>> I am not doing it, because I need it. I can as well use "if not elem is
>> None",
>
> I suggest "if elem is not None", which is not quite the same.
In which way is it not the same? Has the same behavior at least:
In [256]: elem = None
In [257]: not elem is None
Out[257]: False
In [258]: elem is not None
Out[258]: False
In [259]: elem = 42
In [260]: not elem is None
Out[260]: True
In [261]: elem is not None
Out[261]: True
> If you slip such an error in a post, I suggest to practice some time
> writing correct code before having one-liner contests with your
> perl-loving friends :)
If you call something an error, make sure it really is one. :-)
Ciao,
Marc 'BlackJack' Rintsch
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