x = {2, 3, 5, 6} y = {1, 2, 3, 4} z = x.intersection(y)
sn1 = {1,2,3,4,5} sn2 = {4,5,6,7,8} print(sn1) print(sn2) sn1.difference_update(sn2) print("sn1 ",sn1) print("sn2",sn2)