Matplotlib.axes.Axes.get_frame_on() in Python

# Implementation of matplotlib function
import numpy as np
import matplotlib.pyplot as plt
 
x = np.arange(-5, 5, 0.01)
y1 = -3 * x*x + 10 * x + 10
y2 = 3 * x*x + x
 
fig, ax = plt.subplots()
ax.plot(x, y1, x, y2, color ='black')
ax.fill_between(x, y1, y2, where = y2 >y1, 
               facecolor ='green', alpha = 0.8)
ax.fill_between(x, y1, y2, where = y2 <= y1, 
               facecolor ='black', alpha = 0.8)

ax.set_frame_on(False)
x = ax.get_frame_on()
ax.text(-2, 80, "Value of set_frame_on : " +str(x),
        style ='italic', fontsize = 10, color ="green")
ax.set_title('matplotlib.axes.Axes.get_frame_on()\
 Example\n', fontsize = 12, fontweight ='bold')
plt.show()

# Implementation of matplotlib function
import numpy as np
import matplotlib.pyplot as plt
  
x = np.arange(16)
y = np.sin(x / 3)
  
fig, ax = plt.subplots()
  
ax.step(x, y + 2, label ='pre (default)')
ax.plot(x, y + 2, 'o--', color ='black', alpha = 0.3)
  
ax.step(x, y + 1, where ='mid', label ='mid')
ax.plot(x, y + 1, 'o--', color ='black', alpha = 0.3)
  
ax.step(x, y, where ='post', label ='post')
ax.plot(x, y, 'o--', color ='black', alpha = 0.3)
  
ax.grid(axis ='x', color ='0.95')

x = ax.get_frame_on()
ax.text(4, 3.2, "Rectangular Patch is Drawn : " +str(x),
       style ='italic', fontsize = 10, color ="green")

ax.set_title('matplotlib.axes.Axes.get_frame_on()\
 Example\n', fontsize = 12, fontweight ='bold')
plt.show()