python Built-In Types for sets

Discussion created by LarryAdgate on Oct 30, 2013
Latest reply on Oct 31, 2013 by csny490
Below is an example given, in the python literature, for a python built-in type: The instructions say: Returns a new set with elements in the set that are not in the others. Is there someone that can provide an example of how this built-in is used? A world of thanks. Larry Adgate-see attachment  

set - other - ....