added exercise 2

tests/test_ex1.py

@@ -9,6 +9,7 @@ class MyTestCase(unittest.TestCase):
             countTriangles([(0, 1), (1, 2), (0, 2)]),
             1
         )
+
     def test_simple2(self):
         self.assertEqual(
             countTriangles([(2, 1), (1, 2), (2, 3)]),

tests/test_ex2.py

@@ -0,0 +1,21 @@
+import unittest
+
+from ex2_tv import startRecordingAt
+
+
+class MyTestCase(unittest.TestCase):
+    def test_simple1(self):
+        self.assertEqual(
+            startRecordingAt([12, 22, 32, 42, 25, 12], 52),
+            2
+        )
+
+    def test_simple2(self):
+        self.assertEqual(
+            startRecordingAt([12, 22, 32, 42, 25, 12], 80),
+            3
+        )
+
+
+if __name__ == '__main__':
+    unittest.main()