Better way to negate a boolean list?

Gary Herron gherron at islandtraining.com
Sun Feb 10 03:23:44 EST 2008


David Trémouilles wrote:
> Hi,
>
>   Is there any better (shorter) way to negate a boolean list than:
>  >>> negated_boolean_list = [not elem for elem in boolean_list]
> ?
>
> I tried:
>  >>> map(not, boolean_list)
> but it seems that "not" is not a function.
>
> Thanks in advance,
>
> David
>   
But import module operator, and find operator.not_ which is a function
and does what you want.

Gary Herron




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