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)