Chris Hengge wrote: > Anyone point me to something more efficient then > > for item in list1: > if item not in list2: > list2.append() > > This just seems to take a bit a time when there are thousands or dozens of > thousands of records just to filter out the dozen or so copies.. > > Thanks.
somewhat unsurprisingly, the first thing google lists for "python list duplicates" is a quite good ASPN recipe to do just what you want. http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52560 _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor