sum() requires number, not simply __add__
antoon.pardon at rece.vub.ac.be
Fri Feb 24 12:41:32 CET 2012
On 02/24/2012 12:33 AM, Steven D'Aprano wrote:
> If your application stops working after you carelessly mess with
> components your application relies on, the right answer is usually:
> "Don't do that then."
> Python doesn't try to prevent people from shooting themselves in the foot.
Yes it does! A simple example is None as a keyword to prevent
assignments to it.
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