Percentage of White Pixels

Problem

Compute the percentage of pixels that are strictly greater than threshold.

Return the percentage rounded to 2 decimal places. The image is non-empty.

case 1

in: [[[0,255],[255,255]],127]

expected: 75

case 2

in: [[[0,127]],127]

expected: 0

case 3

in: [[[255,255,0]],0]

expected: 66.67

case 4

in: [[[0,0,255]],127]

expected: 33.33

Starter codePython

def white_percentage(image, threshold):
    # Your code here
    pass

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