python [a]*b significa [a, a, ... b Times] v2
>>> [1, 2, 3] * 3
[1, 2, 3, 1, 2, 3, 1, 2, 3]
ap_Cooperative_dev
>>> [1, 2, 3] * 3
[1, 2, 3, 1, 2, 3, 1, 2, 3]