"Skip Montanaro" <[EMAIL PROTECTED]> wrote in message 
news:[EMAIL PROTECTED]
>    value = d.get('x') or bsf()
>
> Of course, this bsf() will get called if d['x'] evaluates to false, not 
> just
> None,
value = (d.get('x') is not None) or bsf() #??

tjr



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