Aaron Misquith <aaronmisqu...@gmail.com> Wrote in message: > As two others have said, a set is the simplest solution to avoid duplicates.
There are other questions to ask, however. Primary is whether order matters. If it does not, then observe that list(set(mylist)) will produce a list from a list without duplicates. If order does matter, then I ask whether there was some constraint that forced you to do it 3 lines. If not, I would suggest that you write the output one line at a time, after checking each line against a set. If the line is not in the set, add it to the set and write it to the file. And watch out for newlines. What happens if one or both input files are missing their final newlines? -- DaveA _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
