Moore_Neighbourhood.py

def count_neighbours(grid, row, col):
    zxc = []
    for i in [x for x in range(row-1, row+2) if (x >= 0 and x < len(grid))]:
        for o in [y for y in range(col-1, col+2) if (y >= 0 and y < len(grid[0]))]:
            if i == row and o == col:
                continue
            else:
                zxc.append((i, o))
    return sum([grid[a][b] for (a, b) in zxc])


if __name__ == '__main__':
    #These "asserts" using only for self-checking and not necessary for auto-testing
    assert count_neighbours(((1, 0, 0, 1, 0),
                             (0, 1, 0, 0, 0),
                             (0, 0, 1, 0, 1),
                             (1, 0, 0, 0, 0),
                             (0, 0, 1, 0, 0),), 1, 2) == 3, "1st example"
    assert count_neighbours(((1, 0, 0, 1, 0),
                             (0, 1, 0, 0, 0),
                             (0, 0, 1, 0, 1),
                             (1, 0, 0, 0, 0),
                             (0, 0, 1, 0, 0),), 0, 0) == 1, "2nd example"
    assert count_neighbours(((1, 1, 1),
                             (1, 1, 1),
                             (1, 1, 1),), 0, 2) == 3, "Dense corner"
    assert count_neighbours(((0, 0, 0),
                             (0, 1, 0),
                             (0, 0, 0),), 1, 1) == 0, "Single"