import matplotlib.pyplot as plt
# creating plotting data
xaxis, yaxis =[1, 4, 9, 16, 25, 36, 49, 64, 81, 100], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
# plotting
plt.plot(xaxis, yaxis)
# saving the file.Make sure you
# use savefig() before show().
plt.savefig("squares.png")
plt.show()