Flip Matrix Vertically

Problem

Return matrix A with its rows reversed (flip upside down), also known as flipud.

The first row becomes the last and vice versa.

Hint

Reverse the order of the rows without touching entries inside rows.

case 1

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

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

case 2

in: [[[1,2,3],[4,5,6],[7,8,9]]]

expected: [[7,8,9],[4,5,6],[1,2,3]]

case 3

in: [[[1]]]

expected: [[1]]

case 4

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

expected: [[1,2,3]]

Starter codePython

def flip_vertical(A):
    # Your code here
    pass

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