my_set={1,2,3} your_set={4,5,6,7,8,9,10} # difference print(my_set.difference(your_set)) #discard my_set.discard(5) print(my_set) difference my_set.difference_update(your_set) print(my_set) # intersection print(my_set.intersection(your_set)) # also write (my_set & your_set) #isdisjoint print(my_set.isdisjoint(your_set)) #union print(my_set.union(your_set)) # also write (my_set | your_set)