def test_hundreds_nine(self): self.assertEqual("CM", hundreds(900, ""))
def test_hundreds_six(self): self.assertEqual("DC", hundreds(600, ""))
def test_hundreds_four(self): self.assertEqual("CD", hundreds(400, ""))
def test_hundreds_five(self): self.assertEqual("D", hundreds(500, ""))
def test_hundreds_one(self): self.assertEqual("C", hundreds(100, ""))