用python写一个2048AI游戏

以下是一个简单的2048AI游戏，使用了基本的最大化得分和随机移动算法：

import random

class Game2048:
    def __init__(self, size):
        self.size = size
        self.board = [[0 for i in range(self.size)] for j in range(self.size)]
        self.score = 0
        
    def print_board(self):
        for i in range(self.size):
            for j in range(self.size):
                print(self.board[i][j], end='\t')
            print()
        print('Score:', self.score)
        
    def add_random_number(self):
        empty_cells = []
        for i in range(self.size):
            for j in range(self.size):
                if self.board[i][j] == 0:
                    empty_cells.append((i, j))
        if empty_cells:
            i, j = random.choice(empty_cells)
            self.board[i][j] = 2 if random.random() < 0.9 else 4
    
    def move(self, direction):
        if direction == 'up':
            for j in range(self.size):
                for i in range(1, self.size):
                    if self.board[i][j] != 0:
                        k = i
                        while k > 0 and self.board[k-1][j] == 0:
                            k -= 1
                        if k != i:
                            self.board[k][j] = self.board[i][j]
                            self.board[i][j] = 0
                        if k > 0 and self.board[k-1][j] == self.board[k][j]:
                            self.board[k-1][j] *= 2
                            self.score += self.board[k-1][j]
                            self.board[k][j] = 0
        elif direction == 'down':
            for j in range(self.size):
                for i in range(self.size-2, -1, -1):
                    if self.board[i][j] != 0:
                        k = i
                        while k < self.size-1 and self.board[k+1][j] == 0:
                            k += 1
                        if k != i:
                            self.board[k][j] = self.board[i][j]
                            self.board[i][j] = 0
                        if k < self.size-1 and self.board[k+1][j] == self.board[k][j]:
                            self.board[k+1][j] *= 2
                            self.score += self.board[k+1][j]
                            self.board[k][j] = 0
        elif direction == 'left':
            for i in range(self.size):
                for j in range(1, self.size):
                    if self.board[i][j] != 0:
                        k = j
                        while k > 0 and self.board[i][k-1] == 0:
                            k -= 1
                        if k != j:
                            self.board[i][k] = self.board[i][j]
                            self.board[i][j] = 0
                        if k > 0 and self.board[i][k-1] == self.board[i][k]:
                            self.board[i][k-1] *= 2
                            self.score += self.board[i][k-1]
                            self.board[i][k] = 0
        elif direction == 'right':
            for i in range(self.size):
                for j in range(self.size-2, -1, -1):
                    if self.board[i][j] != 0:
                        k = j
                        while k < self.size-1 and self.board[i][k+1] == 0:
                            k += 1
                        if k != j:
                            self.board[i][k] = self.board[i][j]
                            self.board[i][j] = 0
                        if k < self.size-1 and self.board[i][k+1] == self.board[i][k]:
                            self.board[i][k+1] *= 2
                            self.score += self.board[i][k+1]
                            self.board[i][k] = 0
    
    def get_possible_moves(self):
        return ['up', 'down', 'left', 'right']
        
    def get_score(self):
        return self.score
        
    def is_game_over(self):
        if not any(0 in row for row in self.board):
            for i in range(self.size):
                for j in range(self.size-1):
                    if self.board[i][j] == self.board[i][j+1]:
                        return False
            for j in range(self.size):
                for i in range(self.size-1):
                    if self.board[i][j] == self.board[i+1][j]:
                        return False
            return True
        return False
        
class AI2048:
    def __init__(self):
        pass
        
    def get_next_move(self, game):
        possible_moves = game.get_possible_moves()
        max_score = -float('inf')
        best_move = None
        for move in possible_moves:
            new_game = Game2048(game.size)
            new_game.board = [row[:] for row in game.board]
            new_game.score = game.score
            new_game.move(move)
            if new_game.get_score() > max_score:
                max_score = new_game.get_score()
                best_move = move
        return best_move

这个AI会找到当前可用的所有移动，然后分别尝试每个移动，并计算每个移动后的得分。然后，它会选择最高得分的移动。