Added example_scenes.py to make things slightly less unfriendly

example_scenes.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+
+from helpers import *
+
+from mobject.tex_mobject import TexMobject
+from mobject import Mobject
+from mobject.image_mobject import ImageMobject
+from mobject.vectorized_mobject import *
+
+from animation.animation import Animation
+from animation.transform import *
+from animation.simple_animations import *
+from animation.playground import *
+from topics.geometry import *
+from topics.characters import *
+from topics.functions import *
+from topics.number_line import *
+from topics.combinatorics import *
+from scene import Scene
+from camera import Camera
+from mobject.svg_mobject import *
+from mobject.tex_mobject import *
+
+from mobject.vectorized_mobject import *
+
+
+## To watch one of these scenes, run the following:
+## python extract_scene.py -p <SceneName>
+
+class SquareToCircle(Scene):
+    def construct(self):
+        circle = Circle()
+        square = Square()
+        self.play(ShowCreation(square))
+        self.play(Transform(square, circle))
+        self.dither()
+
+
+
+
+
+