subplot-mosaic-6.py

import matplotlib.pyplot as plt

image = plt.imread("gardens.jpg")

# Create a figure
fig, axs = plt.subplot_mosaic(
    [
        ["colour", "colour", "colour"],
        ["colour", "colour", "colour"],
        ["colour", "colour", "colour"],
        ["red", "green", "blue"],
    ]
)

print(axs)
# {
#     'colour': <Axes: label='colour'>,
#     'red': <Axes: label='red'>,
#     'green': <Axes: label='green'>,
#     'blue': <Axes: label='blue'>,
# }

print(type(axs))
# <class 'dict'>

plt.show()