Starting eoc5, and how did I not notice the weird cow problem that snuck its way into the scene directory?

eoc/chapter5.py

@@ -0,0 +1,39 @@
+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.fractals import *
+from topics.number_line import *
+from topics.combinatorics import *
+from topics.numerals import *
+from topics.three_dimensions import *
+from topics.objects import *
+from scene import Scene
+from scene.zoomed_scene import ZoomedScene
+from scene.reconfigurable_scene import ReconfigurableScene
+from camera import Camera
+from mobject.svg_mobject import *
+from mobject.tex_mobject import *
+
+from eoc.chapter1 import OpeningQuote, PatreonThanks
+from eoc.graph_scene import *
+
+class Chapter3OpeningQuote(OpeningQuote):
+    CONFIG = {
+        "quote" : [
+            "Using the chain rule is like peeling an onion: ",
+            "you have to deal with each layer at a time, and ",
+            "if it is too big you will start crying."
+        ],
+        "author" : "(Anonymous professor)"
+    }

scene/test.py

@@ -1,58 +0,0 @@
-import numpy as np
-import random
-
-class CowProblem():
-    def __init__(self):
-        self.reset()
-        self.directions = [
-            (1, 0),
-            (1, 1),
-            (0, 1),
-            (-1, 1),
-            (-1, 0),
-            (-1, -1),
-            (0, -1),
-            (1, -1),
-        ]
-
-    def reset(self):
-        self.field = np.ones((11, 11), dtype = 'bool')
-        self.cow_x = 0
-        self.cow_y = 0
-
-    def step(self):
-        valid_step = False
-        while not valid_step:
-            step_x, step_y = random.choice(self.directions)
-            if self.cow_x + step_x > 0 and self.cow_x + step_x < 11 and self.cow_y + step_y > 0 and self.cow_y + step_y < 11:
-                valid_step = True
-        self.cow_x += step_x
-        self.cow_y += step_y
-        self.field[self.cow_x, self.cow_y] = False
-
-    def total_grass_after_n_steps(self, n):
-        for x in range(n):
-            self.step()
-        return sum(sum(self.field))
-
-    def num_steps_for_half_eaten(self):
-        result = 0
-        while sum(sum(self.field)) > 121/2:
-            self.step()
-            result += 1
-        return result
-
-    def average_number_of_steps_for_half_eaten(self, sample_size):
-        run_times = []
-        for x in range(sample_size):
-            run_times.append(
-                self.num_steps_for_half_eaten()
-            )
-            self.reset()
-        return np.mean(run_times)
-
-
-
-
-
-