def test_rotate_image(self):
self.assertEqual(rotate_image.rotate(
[[1, 2, 3], [4, 5, 6], [7, 8, 9]]), [[7, 4, 1], [8, 5, 2], [9, 6, 3]])
def test_rotate_image(self):
self.assertEqual(rotate_image.rotate(
[[1, 2, 3], [4, 5, 6], [7, 8, 9]]), [[7, 4, 1], [8, 5, 2], [9, 6, 3]])
""" You are given an n x n 2D mat representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? """ # clockwise rotate # first reverse up to down, then swap the symmetry # 1 2 3 7 8 9 7 4 1 # 4 5 6 => 4 5 6 => 8 5 2 # 7 8 9 1 2 3 9 6 3 from algorithms.matrix.rotate_image import rotate mat = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] print(mat) rotate(mat) print(mat)