Hans DushanthaKumar wrote:
'set' comes to mind,
Yes, I thought about that, but I wasn't sure how to potentially deal with different number of duplicates in the lists. The post by David seems to address that issue nicely.
though I'm not sure if there are performance inplications with large amopunts of data.
Yes, I wonder about these sort of things too, not knowing too much about how Python does things internally. Thanks for the suggestion, Esmail -- http://mail.python.org/mailman/listinfo/python-list