Fundamentals of data structures

import random GRID_SIZE = 8MAX_MOVES = 20 class Cell:    def __init__(self):        self.Treasure = False        self.Trap = False        self.Visited = False class Board:    def __init__(self, Seed=None):        random.seed(Seed)        self.Cells = [[Cell() for Col in range(GRID_SIZE)] for Row in range(GRID_SIZE)]        self.__PlaceItems(3, "Treasure")        self.__PlaceItems(5, "Trap")     def __PlaceItems(self, Count, Kind):        Placed = 0        while Placed < Count:            Row = random.randint(0, GRID_SIZE - 1)            Col = random.randint(0, GRID_SIZE - 1)            C = self.Cells[Row][Col]            if not C.Treasure and not C.Trap and (Row, Col) != (0, 0):                if Kind == "Treasure":                    C.Treasure = True                else:                    C.Trap = True                Placed += 1     def Display(self, PlayerRow, PlayerCol):        for Row in range(GRID_SIZE):            Line = ""            for Col in range(GRID_SIZE):                if (Row, Col) == (PlayerRow, PlayerCol):                    Line += "P "                elif self.Cells[Row][Col].Visited:                    Line += ". "                else:                    Line += "# "            print(Line) class Game:    def __init__(self):        self.Board = Board()        self.Row = 0        self.Col = 0        self.Score = 0        self.MovesLeft = MAX_MOVES        self.Board.Cells[0][0].Visited = True     def Move(self, Direction):        NewRow, NewCol = self.Row, self.Col        if Direction == "N":            NewRow -= 1        elif Direction == "S":            NewRow += 1        elif Direction == "E":            NewCol += 1        elif Direction == "W":            NewCol -= 1        if 0 <= NewRow < GRID_SIZE and 0 <= NewCol < GRID_SIZE:            self.Row, self.Col = NewRow, NewCol            self.MovesLeft -= 1            self.__CheckCell()        else:            print("You cannot move off the board.")     def __CheckCell(self):        C = self.Board.Cells[self.Row][self.Col]        if C.Treasure and not C.Visited:            self.Score += 10            print("You found treasure! +10")        elif C.Trap:            self.Score -= 5            print("A trap! -5")        C.Visited = True     def Play(self):        while self.MovesLeft > 0:            self.Board.Display(self.Row, self.Col)            print("Score:", self.Score, " Moves left:", self.MovesLeft)            Direction = input("Move (N/S/E/W) or Q to quit: ").upper()            if Direction == "Q":                break            self.Move(Direction)        print("Game over. Final score:", self.Score) if __name__ == "__main__":    MyGame = Game()    MyGame.Play()