def init_empty_map(dimension, default_tile):
    map_grid = []
    for i in range(dimension):
        map_grid.append(([default_tile] * dimension))
    return map_grid
def init_empty_map(dimension, default_tile):
    map_grid = []
    for i in range(dimension):
        map_grid.append(([default_tile] * dimension))
    return map_grid