matplotlib 3.5.1

>>> """
================
Simple ImageGrid
================

Align multiple images using `~mpl_toolkits.axes_grid1.axes_grid.ImageGrid`.
"""
... 
... import matplotlib.pyplot as plt
... from mpl_toolkits.axes_grid1 import ImageGrid
... import numpy as np
... 
... im1 = np.arange(100).reshape((10, 10))
... im2 = im1.T
... im3 = np.flipud(im1)
... im4 = np.fliplr(im2)
... 
... fig = plt.figure(figsize=(4., 4.))
... grid = ImageGrid(fig, 111, # similar to subplot(111)
...  nrows_ncols=(2, 2), # creates 2x2 grid of axes
...  axes_pad=0.1, # pad between axes in inch.
...  )
... 
... for ax, im in zip(grid, [im1, im2, im3, im4]):
...  # Iterating over the grid returns the Axes.
...  ax.imshow(im)
... 
... plt.show()
...