tweaked the tuple lesson for greater clarity (#167)

* tweaked the tuple lesson for greater clarity

Author: danwchan

python2/koans/about_tuples.py

@@ -41,7 +41,8 @@ def test_tuples_can_only_be_changed_through_replacement(self):
     def test_tuples_of_one_look_peculiar(self):
         self.assertEqual(__, (1).__class__)
         self.assertEqual(__, (1,).__class__)
-        self.assertEqual(__, ("Hello comma!", ))
+        self.assertEqual(__, ("I'm a tuple",))
+        self.assertEqual(__, ("Not a tuple"))
 
     def test_tuple_constructor_can_be_surprising(self):
         self.assertEqual(__, tuple("Surprise!"))

python3/koans/about_tuples.py

@@ -39,7 +39,8 @@ def test_tuples_can_only_be_changed_through_replacement(self):
     def test_tuples_of_one_look_peculiar(self):
         self.assertEqual(__, (1).__class__)
         self.assertEqual(__, (1,).__class__)
-        self.assertEqual(__, ("Hello comma!", ))
+        self.assertEqual(__, ("I'm a tuple",))
+        self.assertEqual(__, ("Not a tuple"))
 
     def test_tuple_constructor_can_be_surprising(self):
         self.assertEqual(__, tuple("Surprise!"))