def test_sterling_second_10(self): self.assertEqual(42525, combinatorics.sterling_second(10, 5))
def test_sterling_second_4(self): self.assertEqual(7, combinatorics.sterling_second(4, 2))
def test_sterling_second_0_any_n(self): self.assertEqual(0, combinatorics.sterling_second(4, 0))
def test_sterling_second_2(self): self.assertEqual(1, combinatorics.sterling_second(2, 2))
def test_sterling_second_0(self): self.assertEqual(1, combinatorics.sterling_second(0, 0))