def test_equals(self): self.assertEqual(word_search( 'ab', ['za', 'ab', 'abc', 'zab', 'zbc'] ), ['ab', 'abc', 'zab'])
def test_equals_3(self): self.assertEqual(word_search( 'XX', ['za', 'ab', 'abc', 'zab', 'zbc'] ), ['None'])