Brightness Adjustment

Problem

Adjust the brightness of a grayscale image by adding delta to every pixel.

Output values are clamped to [0, 255] and returned as integers. delta may be negative.

case 1

in: [[[0,100],[200,255]],50]

expected: [[50,150],[250,255]]

case 2

in: [[[10,20]],-20]

expected: [[0,0]]

case 3

in: [[[100]],0]

expected: [[100]]

case 4

in: [[[250,5]],10]

expected: [[255,15]]

Starter codePython

def adjust_brightness(image, delta):
    # Your code here
    pass

4 test cases · run your code against them in the editor