Matplotlib.artist.Artist.draw() in Python

# Implementation of matplotlib function
from matplotlib.artist import Artist
from mpl_toolkits.mplot3d import axes3d  
import matplotlib.pyplot as plt  
     
fig, ax = plt.subplots()  
     
def tellme(s):  
    ax.set_title(s, fontsize = 16)  
    fig.canvas.draw() 
    renderer = fig.canvas.renderer 
    Artist.draw(ax, renderer) 
   
tellme('matplotlib.artist.Artist.draw() function Example') 
ax.grid() 

plt.show()

# Implementation of matplotlib function
from matplotlib.artist import Artist
from mpl_toolkits.mplot3d import axes3d  
import matplotlib.pyplot as plt  
     
  
fig = plt.figure()  
ax = fig.add_subplot(111, projection ='3d')  
     
X, Y, Z = axes3d.get_test_data(0.1)  
ax.plot_wireframe(X, Y, Z, rstride = 5,   
                  cstride = 5)  
     
for angle in range(0, 90):  
    ax.view_init(30, angle) 
    fig.canvas.draw() 
    renderer = fig.canvas.renderer 
    Artist.draw(ax, renderer)  
    plt.pause(.001) 
  
    fig.suptitle('matplotlib.artist.Artist.draw() function Example') 
ax.grid() 

plt.show()