def test_equals_2(self): self.assertEqual(collatz(3), '3->10->5->16->8->4->2->1')
def test_equals(self): self.assertEqual(collatz(4), '4->2->1')
def test_equals_2(self): self.assertEqual(collatz(3), '3->10->5->16->8->4->2->1')
def test_equals(self): self.assertEqual(collatz(4), '4->2->1')