'''Generate a color gray gradient image'''

# import the Pillow Image type
from PIL import Image

import random

def graydient( ) :
    ''' Return a gray gradient of dimensions 255 by 255 '''

    w = 255
    h = 255

    # create a blank canvas on which to paint our image
    im = Image.new( 'RGB', ( w, h ) )

    # consider every spot (pixel) on the new image
    for x in range( 0, w ) :
        for y in range( 0, h ) :
            # got coordinate of interest
            coord = ( x, y )

            # generate the color for the pixel
            pixel = ( x, x, x )

            # set pixel color at coordinate of interest
            im.putpixel( coord, pixel )

    return im

if ( __name__ == '__main__' ) :
    gradient = graydient( )
    gradient.show()