Letterbox Boxes

Problem

Transform boxes through a letterbox resize.

Map coordinates with x * scale + pad_left and y * scale + pad_top, rounding each value to 4 decimal places.

case 1

in: [[[10,20,30,40]],0.5,16,8]

expected: [[21,18,31,28]]

case 2

in: [[[0,0,100,50],[50,25,75,40]],0.64,0,32]

expected: [[0,32,64,64],[32,48,48,57.6]]

case 3

in: [[[1,1,2,2]],2,10,5]

expected: [[12,7,14,9]]

Starter codePython

def letterbox_boxes(boxes, scale, pad_left, pad_top):
    # Your code here
    pass

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