diff --git a/viz/README.md b/viz/README.md
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+++ b/viz/README.md
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+For requirements, see [requirements.txt](requirements.txt)
+
+On linux, you need to install `tkinter` with
+```
+$ sudo apt-get install python3-tk
+```
+
+If you're having issues with matplotlib, install with apt
+```
+$ sudo apt-get install python3-matplotlib
+```
diff --git a/viz/requirements.txt b/viz/requirements.txt
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+++ b/viz/requirements.txt
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+numpy
+matplotlib
diff --git a/viz/viz.py b/viz/viz.py
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+++ b/viz/viz.py
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+import numpy as np
+import math
+import matplotlib.pyplot as plt
+import matplotlib.animation as animation
+
+
+def plot_line(angle: float, length: int):
+     '''
+     angle - Angle you want your end point at in degrees.
+     length - Length of the line you want to plot.
+
+     Will plot the line on a 5 x 5 plot.
+     '''
+
+     # unpack the first point
+     x, y = (2.5, 2.5)
+
+     # find the end point
+     endx = x + length * math.cos(math.radians(angle))
+     endy = y + length * math.sin(math.radians(angle))
+
+     # find the start point
+     startx = x - length * math.cos(math.radians(angle))
+     starty = y - length * math.sin(math.radians(angle))
+     
+     fig = plt.figure()
+     ax = plt.subplot(111)
+     ax.set_ylim([0, 5])   # set the bounds to be 10, 10
+     ax.set_xlim([0, 5])
+
+     # plot the points
+     ax.plot([startx, endx], [starty, endy])
+     plt.show()
+
+plot_line(-0.9, 20)