Matplotlib.axis.Axis.set_alpha() function in Python

# Implementation of matplotlib function
from matplotlib.axis import Axis
import matplotlib.pyplot as plt  
import numpy as np  
     
  
# create test data  
np.random.seed(10**7)  
data = [sorted(np.random.normal(0, std, 100))   
       for std in range(1, 5)]  
     
fig, ax1 = plt.subplots()  
val = ax1.violinplot(data)  
ax1.set_ylabel('Result')  
ax1.set_xlabel('Domain Name')  
  
for i in val['bodies']:  
    i.set_facecolor('yellow')  
    Axis.set_alpha(i, 0.3)

fig.suptitle('matplotlib.axis.Axis.set_alpha() \
function Example\n', fontweight ="bold")  
  
plt.show() 

# Implementation of matplotlib function
from matplotlib.axis import Axis
import matplotlib.pyplot as plt  
import numpy as np  
from matplotlib.patches import Ellipse  
     
  
NUM = 100
     
ells = [Ellipse(xy = np.random.rand(2) * 10,  
                width = np.random.rand(),   
                height = np.random.rand(),  
                angle = np.random.rand() * 360)  
        for i in range(NUM)]  
     
fig, ax = plt.subplots(subplot_kw ={'aspect': 'equal'})  
    
for e in ells:  
    ax.add_artist(e)  
    e.set_clip_box(ax.bbox)  
    Axis.set_alpha(e, np.random.rand())  
    e.set_facecolor(np.random.rand(4))  
     
ax.set_xlim(2, 8)  
ax.set_ylim(2, 8) 

fig.suptitle('matplotlib.axis.Axis.set_alpha() \
function Example\n', fontweight ="bold")  
  
plt.show()