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Xref: csiph.com comp.lang.python:38940

On 2013-02-15 16:17, Neil Cerutti wrote:
> On 2013-02-15, Oscar Benjamin <oscar.j.benjamin@gmail.com> wrote:
>> if score > best_score or best_score is None:
>
> You need the None check first to avoid an exception from the
> comparison.
>
Only in Python 3.

> if best_score is None or score > best_score:
>