def _():
assert mf.add([[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12],
[13, 14, 15, 16]],
[[1, -2, 3, -4], [-5, 6, -7, 8], [9, -10, 11, -12],
[-13, 14, -15, 16]]) == [[2, 0, 6, 0],
[0, 12, 0, 16],
[18, 0, 22, 0],
[0, 28, 0, 32]]
def _():
assert mf.add(
[[1, 2, 3, 4, 5], [6, 7, 8, 9, 10.1], [11, 12, 13, 14, 15],
[1.6, 17, 13, 19, 20], [21, -22, 23, 24, 25]],
[[7, 7, 7, 7, 7], [8, 8, 8, 8, 8], [9, -9, 9, -9, 9],
[3, 4, 5, 6, 7], [11, 12, 13, 14, 14.1]]) == [
[8, 9, 10, 11, 12], [14, 15, 16, 17, 18.1],
[20, 3, 22, 5, 24], [4.6, 21, 18, 25, 27],
[32, -10, 36, 38, 39.1]
]
def _():
assert mf.add([[1, 2], [3, 4]], [[5.2, 2], [-3, -1]]) == [[6.2, 4],
[0, 3]]
def _():
assert mf.add(
[[1, 2, 3], [4, 5, 6], [7, 8, 9]],
[[9, 7, 4], [7.1, -2, 0], [11, -7, 2]]) == [[10, 9, 7],
[11.1, 3, 6],
[18, 1, 11]]
def _():
mf.add([], [])