On Wed, May 4, 2011 at 2:43 AM, Raymond Hettinger <python at rcn.com> wrote: > We should have a separate thread for the most practical, best > documented, least surprising, and most boring recipe ;-) a += b # Adds b to a in-place. Polymorphic - works on a wide variety of types. You didn't say it had to be complicated... Chris Angelico