grid = [
    [".", ".", ".", ".", ".", "."],
    [".", "0", "0", ".", ".", "."],
    ["0", "0", "0", "0", ".", "."],
    ["0", "0", "0", "0", "0", "."],
    [".", "0", "0", "0", "0", "0"],
    ["0", "0", "0", "0", "0", "."],
    ["0", "0", "0", "0", ".", "."],
    [".", "0", "0", ".", ".", "."],
    [".", ".", ".", ".", ".", "."],
]


def show(grid):
    for row in grid:
        print("".join(row))
    print("")


def reorder(grid):
    res, curr = [], 0
    while curr < len(grid[0]):
        line = ""
        for row in grid:
            line += row[curr]
        res.append(list(line))
        curr += 1
    return res


show(grid)
grid = reorder(grid)
show(grid)