1. delete sub-lists with None element
2. sort it by any sub-list index
say: [ ['c','d'], ['g',None], ['a','b',], ['e','f']
if sorted using 2nd index: [ ['a','b'], ['c','d'], ['e','f'] ] (same result for 1st index for this example)
TIA.
_______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor