Extract RGB values from image

There are broadly three steps to find the dominant colors in an image:

To extract RGB values, we use the imread() function of the image class of matplotlib. Empty lists, r, g and b have been initialized.

For the purpose of finding dominant colors, we will be using the following image.

100 XP

Import image class of matplotlib.
Read the image using the imread() function and print the dimensions of the resultant matrix.
Store the values for the three colors from all pixels in lists r, g and b.