def test_ordered_set(self):
self.assertEqual(orderedSet([1,1,2,3,4,4,5,6,7,3,5]), [1,2,3,4,5,6,7])
self.assertEqual(orderedSet([]), [])
def test_ordered_set(self):
self.assertEqual(orderedSet([1,1,2,3,4,4,5,6,7,3,5]), [1,2,3,4,5,6,7])
self.assertEqual(orderedSet([]), [])