class GameMap:
    
    def __init__(self, max_size_x = float('inf'), max_size_y = float('inf')):
        self.max_size_x = max_size_x
        self.max_size_y = max_size_y
        self.data = {}
    
    def __str__(self):
        return str(self.data)
    
    
    def get_max_size_x(self):
        return self.size_x
    
    
    def get_max_size_y(self):
        return self.size_y
    
    
    def add_mark(self, x, y, player):
        # Can be 0 or can be a max value, so,
        # this is border-inclusive.
        if (x <= self.max_size_x and y <= self.max_size_y) and (x >= 0 and y >= 0):
            if (x, y) not in self.data:
                self.data[(x,y)] = player
                player.add_mark(x,y)
            else:
                errorMessage = "The mark is already busy by the Player " + str(self.data[(x, y)].get_name())
                raise KeyError(errorMessage)
        else:
            errorMessage = "The mark" + str((x,y)) + " is beyond preset max values, max_x - " + str(self.max_size_x) + ", max_y - " + str(self.max_size_y)
            raise IndexError(errorMessage)
    
    
    def remove_mark(self, x, y):
        data.pop((x,y))
        
        
    def clear_map(self):
        data.clear()