def test_ten_one(self):
self.assertEqual(task1_10.ten("ok"), "ok")
def test_ten_empty(self):
self.assertEqual(task1_10.ten(""), "")
def test_ten_latin(self):
self.assertEqual(
task1_10.ten(
"hello world and practice makes perfect and hello world again"
), "again and hello makes perfect practice world")
def test_ten_ukrainian(self):
self.assertEqual(task1_10.ten("Київ Чернівці Черкаси Чернівці"),
"Київ Черкаси Чернівці")
def test_ten_first_letter_equal(self):
self.assertEqual(task1_10.ten("six seven"), "seven six")
def test_ten_duplicates(self):
self.assertEqual(task1_10.ten("hi hi mam mam"), "hi mam")