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Wed Aug 31 05:44:16 CEST 2005 · https://mail.python.org/pipermail/python-dev/2005-August/055884.html

On 8/31/05, Guido van Rossum <guido at python.org> wrote:
> 
> Hm. The example is poorly chosen because it's an end case. The
> invariant for both is (I'd hope!)
> 
>   "".join(s.partition()) == s == "".join(s.rpartition())

<snip>

> (Just think of it as rpartition() stopping at the last occurrence,
> rather than searching from the right. :-)

Ah, that makes a difference.  I could see that there was a different
way of looking at the function, I just couldn't see what it was... 
Now I understand the way it's been done.

Cheers,

Andrew.

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[Python-Dev] Remove str.find in 3.0?