On Aug 17, 2:29 am, Raymond Hettinger <pyt...@rcn.com> wrote: > I would like to see someone post a subclass to the ASPN Cookbook that > adds a number of interesting, though not common operations. Your > symmetric_difference() method could be one. A dot_product() operation > could be another. Elementwise arithmetic is another option (we > already have add and subtract, but could possibly use multiply, > divide, etc). Scaling operations are another possibility (multiple > all elements by five, for example). >
> > Raymond Sample code is at http://code.activestate.com/recipes/577362-extension-to-python-3-counter-class/ -- http://mail.python.org/mailman/listinfo/python-list
