def test_arithmeticMean_return_1(self):
list = [1, 1, 1]
stat = Statistics(list)
actual = stat.arithmeticMean()
expected = 1
self.assertEqual(actual, expected)
def test_arthmeticMean_return_3(self):
list = [1, 2, 3, 4, 5]
stat = Statistics(list)
actual = stat.arithmeticMean()
expected = 3
self.assertEqual(actual, expected)
