On Fri, Feb 21, 2014 at 1:37 PM, Terry Reedy <tjreedy@udel.edu> wrote:

Off the top of my head, I cannot think of any methods that return self. (If there are some, someone please remind or inform me.)

That's because I don't like this pattern. :-)

But there's some code in the stdlib that uses it (IIRC Eric Raymond was a fan), and I'm sure there's lots of 3rd party Python code too.

--
--Guido van Rossum (python.org/~guido)