Ensuring symmetry in difflib.SequenceMatcher

[Wolfgang Rohdewald]

On Mittwoch 24 November 2010, John Yeung wrote:
>  Are there any
> simple adjustments that can be made without sacrificing (too
> much) performance?

>>> difflib.SequenceMatcher(None,*sorted(('BYRD','BRADY'))).ratio()
0.66666666666666663

-- 
Wolfgang