Hi If your using Python 2.5 then you need to import the sets module.
>>> from sets import Set >>> Set([1,2,1,2,4]) Set([1, 2, 4]) >>> This code will also work in 2.7 Though in 2.7 you have the set type builtin. Rgds Tim -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/jbZddnsDuQgJ. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.