Matplotlib.figure.Figure.init_layoutbox() in Python

# Implementation of matplotlib function 
import matplotlib.pyplot as plt 
import numpy as np 
import matplotlib.gridspec as gridspec 
  
fig = plt.figure() 
gs = gridspec.GridSpec(2, 2) 
  
for i in range(2): 
    ax = fig.add_subplot(gs[1, i]) 
    ax.set_ylabel('Y label') 
    ax.set_xlabel('X label') 
    if i == 0: 
        for tick in ax.get_xticklabels(): 
            tick.set_rotation(45) 
  
fig.init_layoutbox() 
  
fig.suptitle("""matplotlib.figure.Figure.init_layoutbox()
function Example\n\n""", fontweight ="bold") 
  
plt.show() 

# Implementation of matplotlib function 
import numpy as np 
import matplotlib.pyplot as plt 
  
  
fig = plt.figure() 
fig.subplots_adjust(top = 0.8) 
ax1 = fig.add_subplot(211) 
  
t = np.arange(0.0, 1.0, 0.01) 
s = np.sin(2 * np.pi * t) 
line, = ax1.plot(t, s, color ='green', lw = 2) 
  
np.random.seed(19680801) 
  
ax2 = fig.add_axes([0.15, 0.1, 0.7, 0.3]) 
n, bins, patches = ax2.hist(np.random.randn(1000), 50, 
                            facecolor ='yellow', 
                            edgecolor ='yellow') 
  
fig.init_layoutbox() 
  
fig.suptitle("""matplotlib.figure.Figure.init_layoutbox()
function Example\n\n""", fontweight ="bold") 
  
plt.show()