Image to Flat List

Problem

Flatten a 2D image into a 1D list in row-major order.

Rows are emitted top to bottom and values inside each row left to right. An empty image returns [].

case 1

in: [[[1,2,3],[4,5,6]]]

expected: [1,2,3,4,5,6]

case 2

in: [[[7]]]

expected: [7]

case 3

in: [[]]

expected: []

case 4

in: [[[1,2],[3,4],[5,6]]]

expected: [1,2,3,4,5,6]

Starter codePython

def flatten_image(image):
    # Your code here
    pass

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