Idiom for "last word in a string"

[Grant Edwards]

I recently ran across this construct for grabbing the last
(whitespace delimited) word in a string:

   s.rsplit(None,1)[1]

It was somewhat obvious from the context what it was supposed
to do, but it took a bit of Googling to figure out exactly what
was going on.

When I want the last word in a string, I've always done this:

   s.split()[-1]

I was wondering what the advantage of the rsplit(None,1)[1]
approach would be other than inducing people to learn about the
maxsplit argument that is accepted by the split() methods?

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