def test_verse4(self):
     expected = ("On the fourth day of Christmas my true love gave to me, "
                 "four Calling Birds, "
                 "three French Hens, "
                 "two Turtle Doves, "
                 "and a Partridge in a Pear Tree.\n")
     self.assertEqual(expected, verse(4))

 def test_verse2(self):
     expected = (
         "On the second day of Christmas my true love gave to me, "
         "two Turtle Doves, "
         "and a Partridge in a Pear Tree.\n"
     )
     self.assertEqual(expected, verse(2))

 def test_verse3(self):
     expected = (
         "On the third day of Christmas my true love gave to me, "
         "three French Hens, "
         "two Turtle Doves, "
         "and a Partridge in a Pear Tree.\n"
     )
     self.assertEqual(expected, verse(3))

 def test_verse5(self):
     expected = ("On the fifth day of Christmas my true love gave to me, "
                 "five Gold Rings, "
                 "four Calling Birds, "
                 "three French Hens, "
                 "two Turtle Doves, "
                 "and a Partridge in a Pear Tree.\n")
     self.assertEqual(verse(5), expected)

 def test_verse6(self):
     expected = ("On the sixth day of Christmas my true love gave to me, "
                 "six Geese-a-Laying, "
                 "five Gold Rings, "
                 "four Calling Birds, "
                 "three French Hens, "
                 "two Turtle Doves, "
                 "and a Partridge in a Pear Tree.\n")
     self.assertEqual(expected, verse(6))

 def test_verse8(self):
     expected = ("On the eighth day of Christmas my true love gave to me, "
                 "eight Maids-a-Milking, "
                 "seven Swans-a-Swimming, "
                 "six Geese-a-Laying, "
                 "five Gold Rings, "
                 "four Calling Birds, "
                 "three French Hens, "
                 "two Turtle Doves, "
                 "and a Partridge in a Pear Tree.\n")
     self.assertEqual(expected, verse(8))

 def test_verse10(self):
     expected = ("On the tenth day of Christmas my true love gave to me, "
                 "ten Lords-a-Leaping, "
                 "nine Ladies Dancing, "
                 "eight Maids-a-Milking, "
                 "seven Swans-a-Swimming, "
                 "six Geese-a-Laying, "
                 "five Gold Rings, "
                 "four Calling Birds, "
                 "three French Hens, "
                 "two Turtle Doves, "
                 "and a Partridge in a Pear Tree.\n")
     self.assertEqual(verse(10), expected)

 def test_verse1(self):
     expected = "On the first day of Christmas my true love gave to me, " "a Partridge in a Pear Tree.\n"
     self.assertEqual(expected, verse(1))

 def test_verse12(self):
     expected = "On the twelfth day of Christmas my true love gave to me, twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.\n"
     self.assertEqual(expected, verse(12))

 def test_verse9(self):
     expected = "On the ninth day of Christmas my true love gave to me, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.\n"
     self.assertEqual(expected, verse(9))

 def test_verse5(self):
     expected = "On the fifth day of Christmas my true love gave to me, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.\n"
     self.assertEqual(expected, verse(5))