Added the file

Author: Rajesh Kumble Nayak

simple_plot.py

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+import numpy as np
+import matplotlib.pyplot as plt
+## www.iiserkol.ac.in/~rajesh/my_python.html
+N=100
+x=np.linspace(-2*np.pi,2*np.pi, N)
+y1= np.sin(x)
+y2= np.cos(x)
+y=y1*y1+y2*y2
+plt.plot(x, y1, 'C0-', label='sin(x)')
+plt.plot(x, y2, 'C1-', label='cos(x)')
+plt.plot(x, y, 'C2--', linewidth=3, label='sin^2(x)+cos^2(x)')
+plt.xlabel('Angle [Radian]')
+plt.ylabel('F(x)')
+plt.title('Plot of Trignometric Functions')
+plt.legend()
+plt.ylim([-1.2, 1.2])
+plt.grid(alpha=0.3)
+plt.show()
+