Patch Flatten

Problem

Flatten a 2D patch into a 1D vector.

Values are emitted in row-major order. An empty patch returns [].

case 1

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

expected: [1,2,3,4]

case 2

in: [[[5]]]

expected: [5]

case 3

in: [[[1,2,3]]]

expected: [1,2,3]

Starter codePython

def patch_flatten(patch):
    # Your code here
    pass

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