Matplotlib.artist.Artist.set_snap() in Python

# Implementation of matplotlib function
from matplotlib.artist import Artist  
import matplotlib.pyplot as plt 
from mpl_toolkits.axisartist.axislines import Subplot 
    

fig = plt.figure() 
    
ax = Subplot(fig, 111) 
fig.add_subplot(ax) 
    
ax.axis["left"].set_visible(False) 
ax.axis["top"].set_visible(False) 
  
Artist.set_snap(ax, True) 

fig.suptitle('matplotlib.artist.Artist.set_snap()\
function Example', fontweight ="bold") 

plt.show()

# Implementation of matplotlib function
from matplotlib.artist import Artist  
import numpy as np 
import matplotlib.cm as cm 
import matplotlib.pyplot as plt 
import matplotlib.cbook as cbook 
from matplotlib.path import Path 
from matplotlib.patches import PathPatch 
   
  
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
   
path = Path([[0, 1], [1, 0], [0, -1], 
            [-1, 0], [0, 1]]) 
patch = PathPatch(path, facecolor ='none') 
   
fig, ax = plt.subplots() 
ax.add_patch(patch) 
   
im = ax.imshow(Z, interpolation ='bilinear',  
               cmap = cm.gray, 
               origin ='lower', 
               extent =[-3, 3, -3, 3], 
               clip_path = patch, clip_on = True) 

im.set_clip_path(patch)
  
Artist.set_snap(ax, None) 

fig.suptitle('matplotlib.artist.Artist.set_snap()\
function Example', fontweight ="bold") 

plt.show()