def test_example_area(self):
lst = [2,5,1,2,3,4,7,7,6]
result = lab11.area(lst)
expected = 10
self.assertEqual(expected, result)
def test_empty_lst(self):
lst = []
result = lab11.area(lst)
expected = 0
self.assertEqual(expected, result)
def test_one_elem_lst(self):
lst = []
lst.append(6)
result = lab11.area(lst)
expected = 0
self.assertEqual(expected, result)