Matplotlib.axes.Axes.set_clip_box() in Python

# Implementation of matplotlib function
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.patches import Ellipse

delta = 45.0

angles = np.arange(0, 360 + delta, delta)
ells = [Ellipse((2, 2), 5, 2, a) for a in angles]

fig, ax = plt.subplots()

for e in ells:
    e.set_clip_box(ax.bbox)
    e.set_alpha(0.1)
    ax.add_artist(e)

plt.xlim(-1, 5)
plt.ylim(-1, 5)
  
  
fig.suptitle('matplotlib.axes.Axes.set_clip_box() \
function Example\n\n', fontweight ="bold")

plt.show()

# Implementation of matplotlib function
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.patches import Ellipse
  
NUM = 200
  
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)
    e.set_alpha(np.random.rand())
    e.set_facecolor(np.random.rand(4))
  
ax.set_xlim(3, 7)
ax.set_ylim(3, 7)
  
  
fig.suptitle('matplotlib.axes.Axes.set_clip_box() \
function Example\n\n', fontweight ="bold")

plt.show()