Matplotlib.pyplot.get_fignums() in Python

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Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. Pyplot is a state-based interface to a Matplotlib module which provides a MATLAB-like interface. There are various plots which can be used in Pyplot are Line Plot, Contour, Histogram, Scatter, 3D Plot, etc.

matplotlib.pyplot.get_fignums() method

The get_fignums() method in pyplot module of matplotlib library is used to get the list of existing figure numbers.

Syntax: matplotlib.pyplot.get_fignums()

Parameters: This method does not accept any parameters.

Returns: This method returns the list of existing figure numbers.

Below examples illustrate the matplotlib.pyplot.get_fignums() function in matplotlib.pyplot:

Example 1:

# Implementation of matplotlib function 
import numpy as np 
import matplotlib.pyplot as plt 
     
  
x = np.linspace(0, 10, 500) 
y = np.sin(x**2)+np.cos(x) 
     
plt.plot(x, y, label ='Line 1') 
     
plt.plot(x, y - 0.6, label ='Line 2') 
   
w = plt.get_fignums() 
   
plt.text(2, 1.98, 
         "List of existing figure numbers : "
         + str(w), 
         fontsize = 12) 
      
plt.title('matplotlib.pyplot.get_fignums() function\ 
 Example', fontweight ="bold")  
  
plt.show() 

Output:

Example 2:

# Implementation of matplotlib function 
import matplotlib.pyplot as plt 
import numpy as np 
      
  
t = np.arange(0.01, 5.0, 0.01) 
s = np.exp(-t) 
      
plt.plot(t, s) 
plt.ylim(1, 0) 
plt.ylabel('Display Y-axis Label', fontweight ='bold') 
plt.grid(True) 
   
w = plt.get_fignums() 
   
plt.text(0.9, 0.58, 
         "List of existing figure numbers : "
         + str(w), 
         fontsize = 12) 
      
plt.title('matplotlib.pyplot.get_fignums() function\ 
 Example', fontweight ="bold")  
  
plt.show() 