[Python-Dev] "and" and "or" operators in Py3.0

Ron Adam rrr at ronadam.com
Tue Sep 20 02:38:25 CEST 2005

Raymond Hettinger wrote:
> I propose that in Py3.0, the "and" and "or" operators be simplified to
> always return a Boolean value instead of returning the last evaluated
> argument.
> 1) The construct can be error-prone.  When an error occurs it can be
> invisible to the person who wrote it.  I got bitten in published code
> that had survived testing and code review:

Yes, I wondered about that possibility myself.


> P.S.  Simplifying "and" and "or" may create a need to introduce a
> conditional operator but that is a discussion for another day.

You would still be able to use multiply to covert a comparison to a value.


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