def test_difference(self): s1 = HashSet(['J', 'I', 'E', 'R']) s2 = HashSet(['H', 'N', 'E', 'R']) s3 = s1.difference(s2) assert s3.contains('N') == True assert s3.contains('H') == True assert s3.size() == 2
def test_difference(self): hs1 = HashSet([1, 2, 3, 4]) hs2 = HashSet([3, 4, 5]) difference = hs1.difference(hs2) assert difference.items() == [1, 2]