Matplotlib.figure.Figure.savefig() in Python

# Implementation of matplotlib function  
import numpy as np
import matplotlib.cm as cm
import matplotlib.mlab as mlab
import matplotlib.pyplot as plt
 
fig, ax = plt.subplots()
s = ax.scatter([1, 2, 3], [4, 5, 6])
s.set_url('http://www.google.com')
 
fig.savefig('scatter.svg')

fig.suptitle("""matplotlib.figure.Figure.savefig()
function Example\n\n""", fontweight ="bold") 
  
plt.show() 

# Implementation of matplotlib function  
import numpy as np
import matplotlib.cm as cm
import matplotlib.mlab as mlab
import matplotlib.pyplot as plt
 
fig, ax = plt.subplots()
delta = 0.025
x = y = np.arange(-3.0, 3.0, delta)
X, Y = np.meshgrid(x, y)
Z1 = np.exp(-X**2 - Y**2)
Z2 = np.exp(-(X - 1)**2 - (Y - 1)**2)
Z = (Z1 - Z2) * 2
 
im = ax.imshow(Z,
               interpolation ='bilinear',
               cmap = cm.gray,
               origin ='lower',
               extent =[-3, 3, -3, 3])
 
fig.savefig('image.svg')

fig.suptitle("""matplotlib.figure.Figure.savefig()
function Example\n\n""", fontweight ="bold") 
  
plt.show()