Added neural network related things and other maths stuff

Matplotlib Tutorial/matplotlib tutorial2.py

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+import matplotlib.pyplot as plt
+import matplotlib.animation as animation
+from matplotlib import style
+import random
+
+style.use("fivethirtyeight")
+fig=plt.figure()
+ax1=fig.add_subplot(1,1,1)
+
+x=[i for i in range(100)]
+
+
+def animate(i):
+    y=[random.randint(0,10) for i in range(100)]
+    ax1.clear()
+    ax1.plot(x,y)
+
+ani=animation.FuncAnimation(fig,animate,interval=1000)
+plt.show()