Create a function J \ =\ luminance\ _\ change\ (\ I\ ,\ option, value\ )\ such that:\ \ *\ When given the option \ '\ c\ '\ ,\ the contrast of image I\ '\ s top\ -\ left and\ bottom\ -\ right quadrants will be modified by the given value.\ Simple multiplication will achieve this.\ \ *\ When given the option \ '\ b\ '\ ,\ the brightness of image I\ '\ s top\ -\ right and\ bottom\ -\ left quadrants will be modified by the given value.\ Simple addition will achieve this.\ showcase your function by filling positions \ 4\ and \ 5\ in the grid