

class Board(object):
    ROWS =COLS =720
    def __init__(self):
        self.data =[self._create_empty_board()

    def update(self,x,y,color):
        self.data[y][x] =color

    def clear(self):
        self.data =self._create_empty_board()

    def _create_empty_board(self):
        return [[(255,255,255) for _ in range(self.COLS)] for _in range(self.ROWS)]

    def fill(self,x,y):
        pass

    def get_board(self)
        return self.data
