def testNegative(self):
self.assertEqual(-9, max_in_list([-30, -14, -15, -9, -26, -50]))
def testBunch(self):
self.assertEqual(26, max_in_list([3, 14, 15, 9, 26, 5]))
def testNone(self):
self.assertEqual(None, max_in_list([]))
def testOne(self):
self.assertEqual(21, max_in_list([21]))
def testThree(self):
self.assertEqual(21, max_in_list([21, 19, 20]))
def testTwo(self):
self.assertEqual(21, max_in_list([14,21]))
