def test_task_4_valid_values(self):
self.assertEqual(task_4_min_value_integers([1, 29, 5, 9]), 1)
for i in range(1, 20):
given_data = [random.randint(-100, 100) for _ in range(i)]
actual_result = task_4_min_value_integers(given_data)
given_data.sort()
self.assertEqual(actual_result, given_data[0])
def test_task_4_duplicate_values(self):
given_data = [1, 2, 3, 8, 10, 12, 12, 23, 23, 1, 1, 2]
self.assertEqual(task_4_min_value_integers(given_data), 1)
def test_task_4_empty_list(self):
self.assertIsNone(task_4_min_value_integers([]))
