def test_equals_2(self): self.assertEqual(prefill(2, 'abc'), ['abc', 'abc'])
def test_equals_4(self): self.assertEqual(prefill(3, prefill(2, '2d')), [['2d', '2d'], ['2d', '2d'], ['2d', '2d']])
def test_equals(self): self.assertEqual(prefill(3, 1), [1, 1, 1])
def test_equals_3(self): self.assertEqual(prefill('1', 1), [1])