{"id":1112669,"date":"2025-01-08T17:40:41","date_gmt":"2025-01-08T09:40:41","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1112669.html"},"modified":"2025-01-08T17:40:56","modified_gmt":"2025-01-08T09:40:56","slug":"python%e6%b8%b8%e6%88%8f%e4%b8%ad%e5%a6%82%e4%bd%95%e8%bf%94%e5%9b%9e%e4%b8%8a%e4%b8%80%e6%ad%a5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1112669.html","title":{"rendered":"python\u6e38\u620f\u4e2d\u5982\u4f55\u8fd4\u56de\u4e0a\u4e00\u6b65"},"content":{"rendered":"

\"python\u6e38\u620f\u4e2d\u5982\u4f55\u8fd4\u56de\u4e0a\u4e00\u6b65\"<\/p>\n

\u5728Python\u6e38\u620f\u4e2d\u8fd4\u56de\u4e0a\u4e00\u6b65\u7684\u65b9\u6cd5\u5305\u62ec\u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u3001\u4f7f\u7528\u6808\u6570\u636e\u7ed3\u6784\u3001\u64a4\u9500\u64cd\u4f5c\u3001\u5b9e\u73b0\u81ea\u5b9a\u4e49\u64a4\u9500\u903b\u8f91\u3002<\/strong> \u5176\u4e2d\uff0c\u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u662f\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u7684\u5173\u952e\u3002\u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u53ef\u4ee5\u901a\u8fc7\u8bb0\u5f55\u6bcf\u4e00\u6b65\u7684\u6e38\u620f\u72b6\u6001\uff0c\u5728\u9700\u8981\u64a4\u9500\u65f6\u5c06\u6e38\u620f\u6062\u590d\u5230\u4e4b\u524d\u7684\u72b6\u6001\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4fdd\u8bc1\u6e38\u620f\u7684\u53ef\u73a9\u6027\u548c\u7075\u6d3b\u6027\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/p>\n<\/p>\n

\u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u7684\u65b9\u6cd5<\/strong>\uff1a<\/p>\n

\u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u505a\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u6570\u636e\u7ed3\u6784\u6765\u5b9e\u73b0\u3002\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u6808\u6570\u636e\u7ed3\u6784\u6765\u4fdd\u5b58\u6bcf\u4e00\u6b65\u7684\u72b6\u6001\u3002\u6bcf\u5f53\u73a9\u5bb6\u505a\u51fa\u4e00\u4e2a\u64cd\u4f5c\u65f6\uff0c\u5c06\u5f53\u524d\u6e38\u620f\u72b6\u6001\u4fdd\u5b58\u5230\u6808\u4e2d\u3002\u5f53\u73a9\u5bb6\u9009\u62e9\u64a4\u9500\u65f6\uff0c\u4ece\u6808\u4e2d\u5f39\u51fa\u6700\u8fd1\u7684\u72b6\u6001\u5e76\u6062\u590d\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u4e14\u9ad8\u6548\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4fdd\u5b58\u6e38\u620f\u72b6\u6001<\/h3>\n<\/p>\n

\u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u662f\u5b9e\u73b0\u64a4\u9500\u64cd\u4f5c\u7684\u6838\u5fc3\u6b65\u9aa4\u3002\u901a\u8fc7\u5728\u6bcf\u6b21\u73a9\u5bb6\u52a8\u4f5c\u540e\u5c06\u6e38\u620f\u7684\u5f53\u524d\u72b6\u6001\u4fdd\u5b58\u4e0b\u6765\uff0c\u53ef\u4ee5\u5728\u9700\u8981\u64a4\u9500\u65f6\u6062\u590d\u5230\u4e4b\u524d\u7684\u72b6\u6001\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n

1\u3001\u4f7f\u7528\u6808\u6570\u636e\u7ed3\u6784<\/h4>\n<\/p>\n

\u6808\u662f\u4e00\u79cd\u540e\u8fdb\u5148\u51fa\u7684\u6570\u636e\u7ed3\u6784\uff0c\u975e\u5e38\u9002\u5408\u4fdd\u5b58\u6bcf\u4e00\u6b65\u7684\u6e38\u620f\u72b6\u6001\u3002\u5f53\u73a9\u5bb6\u505a\u51fa\u4e00\u4e2a\u64cd\u4f5c\u65f6\uff0c\u5c06\u5f53\u524d\u6e38\u620f\u72b6\u6001\u4fdd\u5b58\u5230\u6808\u4e2d\u3002\u5f53\u73a9\u5bb6\u9009\u62e9\u64a4\u9500\u65f6\uff0c\u4ece\u6808\u4e2d\u5f39\u51fa\u6700\u8fd1\u7684\u72b6\u6001\u5e76\u6062\u590d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n

class Game:<\/p>\n
    def __init__(self):<\/p>\n
        self.state = None  # \u5f53\u524d\u6e38\u620f\u72b6\u6001<\/p>\n
        self.history = []  # \u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u7684\u6808<\/p>\n
    def save_state(self):<\/p>\n
        self.history.append(self.state.copy())<\/p>\n
    def undo(self):<\/p>\n
        if self.history:<\/p>\n
            self.state = self.history.pop()<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u64a4\u9500")<\/p>\n
    def make_move(self, move):<\/p>\n
        self.save_state()<\/p>\n
        # \u8fdb\u884c\u6e38\u620f\u64cd\u4f5c<\/p>\n
        self.state = move<\/p>\n
\u793a\u4f8b\u7528\u6cd5<\/strong><\/h2>\n
game = Game()<\/p>\n
game.make_move("\u72b6\u60011")<\/p>\n
game.make_move("\u72b6\u60012")<\/p>\n
print(game.state)  # \u8f93\u51fa: \u72b6\u60012<\/p>\n
game.undo()<\/p>\n
print(game.state)  # \u8f93\u51fa: \u72b6\u60011<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4f7f\u7528\u6df1\u62f7\u8d1d<\/h4>\n<\/p>\n
\u5728\u4fdd\u5b58\u6e38\u620f\u72b6\u6001\u65f6\uff0c\u786e\u4fdd\u4fdd\u5b58\u7684\u662f\u6e38\u620f\u72b6\u6001\u7684\u6df1\u62f7\u8d1d\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5f15\u7528\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u5728\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u4fee\u6539\u539f\u59cb\u72b6\u6001\u3002Python \u63d0\u4f9b\u4e86 copy<\/code> \u6a21\u5757\uff0c\u53ef\u4ee5\u4f7f\u7528 deepcopy<\/code> \u65b9\u6cd5\u6765\u5b9e\u73b0\u6df1\u62f7\u8d1d\u3002<\/p>\n<\/p>\n
import copy<\/p>\n
class Game:<\/p>\n
    def __init__(self):<\/p>\n
        self.state = None<\/p>\n
        self.history = []<\/p>\n
    def save_state(self):<\/p>\n
        self.history.append(copy.deepcopy(self.state))<\/p>\n
    def undo(self):<\/p>\n
        if self.history:<\/p>\n
            self.state = self.history.pop()<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u64a4\u9500")<\/p>\n
    def make_move(self, move):<\/p>\n
        self.save_state()<\/p>\n
        self.state = move<\/p>\n
\u793a\u4f8b\u7528\u6cd5<\/strong><\/h2>\n
game = Game()<\/p>\n
game.make_move({"\u4f4d\u7f6e": 1, "\u5206\u6570": 10})<\/p>\n
game.make_move({"\u4f4d\u7f6e": 2, "\u5206\u6570": 20})<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 2, '\u5206\u6570': 20}<\/p>\n
game.undo()<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 1, '\u5206\u6570': 10}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u64a4\u9500\u64cd\u4f5c<\/h3>\n<\/p>\n
\u64a4\u9500\u64cd\u4f5c\u662f\u5c06\u6e38\u620f\u6062\u590d\u5230\u4e4b\u524d\u7684\u72b6\u6001\u3002\u901a\u8fc7\u4ece\u4fdd\u5b58\u7684\u72b6\u6001\u6808\u4e2d\u5f39\u51fa\u6700\u8fd1\u7684\u72b6\u6001\u5e76\u6062\u590d\uff0c\u53ef\u4ee5\u5b9e\u73b0\u64a4\u9500\u529f\u80fd\u3002<\/p>\n<\/p>\n
1\u3001\u5b9e\u73b0\u64a4\u9500\u64cd\u4f5c<\/h4>\n<\/p>\n
\u5728\u4fdd\u5b58\u6bcf\u4e00\u6b65\u7684\u6e38\u620f\u72b6\u6001\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f39\u51fa\u6808\u9876\u7684\u72b6\u6001\u5e76\u6062\u590d\u6765\u5b9e\u73b0\u64a4\u9500\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
class Game:<\/p>\n
    def __init__(self):<\/p>\n
        self.state = None<\/p>\n
        self.history = []<\/p>\n
    def save_state(self):<\/p>\n
        self.history.append(copy.deepcopy(self.state))<\/p>\n
    def undo(self):<\/p>\n
        if self.history:<\/p>\n
            self.state = self.history.pop()<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u64a4\u9500")<\/p>\n
    def make_move(self, move):<\/p>\n
        self.save_state()<\/p>\n
        self.state = move<\/p>\n
\u793a\u4f8b\u7528\u6cd5<\/strong><\/h2>\n
game = Game()<\/p>\n
game.make_move({"\u4f4d\u7f6e": 1, "\u5206\u6570": 10})<\/p>\n
game.make_move({"\u4f4d\u7f6e": 2, "\u5206\u6570": 20})<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 2, '\u5206\u6570': 20}<\/p>\n
game.undo()<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 1, '\u5206\u6570': 10}<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u9650\u5236\u64a4\u9500\u6b21\u6570<\/h4>\n<\/p>\n
\u5728\u67d0\u4e9b\u6e38\u620f\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u9650\u5236\u73a9\u5bb6\u7684\u64a4\u9500\u6b21\u6570\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u4e00\u4e2a\u8ba1\u6570\u5668\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n
class Game:<\/p>\n
    def __init__(self, max_undos):<\/p>\n
        self.state = None<\/p>\n
        self.history = []<\/p>\n
        self.max_undos = max_undos<\/p>\n
        self.undo_count = 0<\/p>\n
    def save_state(self):<\/p>\n
        self.history.append(copy.deepcopy(self.state))<\/p>\n
    def undo(self):<\/p>\n
        if self.undo_count < self.max_undos and self.history:<\/p>\n
            self.state = self.history.pop()<\/p>\n
            self.undo_count += 1<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u64a4\u9500")<\/p>\n
    def make_move(self, move):<\/p>\n
        self.save_state()<\/p>\n
        self.state = move<\/p>\n
\u793a\u4f8b\u7528\u6cd5<\/strong><\/h2>\n
game = Game(max_undos=3)<\/p>\n
game.make_move({"\u4f4d\u7f6e": 1, "\u5206\u6570": 10})<\/p>\n
game.make_move({"\u4f4d\u7f6e": 2, "\u5206\u6570": 20})<\/p>\n
game.undo()<\/p>\n
game.undo()<\/p>\n
game.undo()  # \u8f93\u51fa: \u65e0\u6cd5\u64a4\u9500<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u81ea\u5b9a\u4e49\u64a4\u9500\u903b\u8f91<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u590d\u6742\u7684\u6e38\u620f\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684\u64a4\u9500\u903b\u8f91\u3002\u53ef\u4ee5\u6839\u636e\u6e38\u620f\u7684\u5177\u4f53\u9700\u6c42\u6765\u5b9e\u73b0\u64a4\u9500\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
1\u3001\u4fdd\u5b58\u5173\u952e\u72b6\u6001<\/h4>\n<\/p>\n
\u5bf9\u4e8e\u590d\u6742\u7684\u6e38\u620f\uff0c\u53ef\u4ee5\u9009\u62e9\u53ea\u4fdd\u5b58\u5173\u952e\u72b6\u6001\uff0c\u800c\u4e0d\u662f\u6bcf\u4e00\u6b65\u7684\u72b6\u6001\u3002\u8fd9\u53ef\u4ee5\u51cf\u5c11\u5185\u5b58\u5360\u7528\u548c\u6027\u80fd\u5f00\u9500\u3002<\/p>\n<\/p>\n
class Game:<\/p>\n
    def __init__(self):<\/p>\n
        self.state = None<\/p>\n
        self.history = []<\/p>\n
    def save_state(self):<\/p>\n
        self.history.append(copy.deepcopy(self.state))<\/p>\n
    def undo(self):<\/p>\n
        if self.history:<\/p>\n
            self.state = self.history.pop()<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u64a4\u9500")<\/p>\n
    def make_move(self, move):<\/p>\n
        self.save_state()<\/p>\n
        self.state = move<\/p>\n
\u793a\u4f8b\u7528\u6cd5<\/strong><\/h2>\n
game = Game()<\/p>\n
game.make_move({"\u4f4d\u7f6e": 1, "\u5206\u6570": 10})<\/p>\n
game.make_move({"\u4f4d\u7f6e": 2, "\u5206\u6570": 20})<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 2, '\u5206\u6570': 20}<\/p>\n
game.undo()<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 1, '\u5206\u6570': 10}<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u90e8\u5206\u64a4\u9500<\/h4>\n<\/p>\n
\u5728\u67d0\u4e9b\u6e38\u620f\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5b9e\u73b0\u90e8\u5206\u64a4\u9500\u529f\u80fd\uff0c\u5373\u53ea\u64a4\u9500\u67d0\u4e9b\u7279\u5b9a\u7684\u64cd\u4f5c\u3002\u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49\u64a4\u9500\u903b\u8f91\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n
class Game:<\/p>\n
    def __init__(self):<\/p>\n
        self.state = None<\/p>\n
        self.history = []<\/p>\n
    def save_state(self):<\/p>\n
        self.history.append(copy.deepcopy(self.state))<\/p>\n
    def undo(self, move_type=None):<\/p>\n
        if self.history:<\/p>\n
            while self.history:<\/p>\n
                state = self.history.pop()<\/p>\n
                if move_type is None or state["move_type"] == move_type:<\/p>\n
                    self.state = state<\/p>\n
                    break<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u64a4\u9500")<\/p>\n
    def make_move(self, move):<\/p>\n
        self.save_state()<\/p>\n
        self.state = move<\/p>\n
\u793a\u4f8b\u7528\u6cd5<\/strong><\/h2>\n
game = Game()<\/p>\n
game.make_move({"\u4f4d\u7f6e": 1, "\u5206\u6570": 10, "move_type": "\u666e\u901a"})<\/p>\n
game.make_move({"\u4f4d\u7f6e": 2, "\u5206\u6570": 20, "move_type": "\u7279\u6b8a"})<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 2, '\u5206\u6570': 20, 'move_type': '\u7279\u6b8a'}<\/p>\n
game.undo(move_type="\u7279\u6b8a")<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 1, '\u5206\u6570': 10, 'move_type': '\u666e\u901a'}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5b9e\u73b0\u590d\u6742\u7684\u64a4\u9500\u903b\u8f91<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u590d\u6742\u7684\u6e38\u620f\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u64a4\u9500\u903b\u8f91\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
1\u3001\u53cc\u5411\u6808<\/h4>\n<\/p>\n
\u4f7f\u7528\u53cc\u5411\u6808\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u64a4\u9500\u548c\u91cd\u505a\u64cd\u4f5c\u3002\u4e00\u4e2a\u6808\u4fdd\u5b58\u5df2\u5b8c\u6210\u7684\u64cd\u4f5c\uff0c\u53e6\u4e00\u4e2a\u6808\u4fdd\u5b58\u64a4\u9500\u7684\u64cd\u4f5c\u3002\u5f53\u73a9\u5bb6\u64a4\u9500\u65f6\uff0c\u5c06\u64cd\u4f5c\u4ece\u5df2\u5b8c\u6210\u6808\u79fb\u52a8\u5230\u64a4\u9500\u6808\u3002\u5f53\u73a9\u5bb6\u91cd\u505a\u65f6\uff0c\u5c06\u64cd\u4f5c\u4ece\u64a4\u9500\u6808\u79fb\u52a8\u56de\u5df2\u5b8c\u6210\u6808\u3002<\/p>\n<\/p>\n
class Game:<\/p>\n
    def __init__(self):<\/p>\n
        self.state = None<\/p>\n
        self.history = []<\/p>\n
        self.redo_stack = []<\/p>\n
    def save_state(self):<\/p>\n
        self.history.append(copy.deepcopy(self.state))<\/p>\n
        self.redo_stack.clear()  # \u6e05\u7a7a\u91cd\u505a\u6808<\/p>\n
    def undo(self):<\/p>\n
        if self.history:<\/p>\n
            self.redo_stack.append(self.state)<\/p>\n
            self.state = self.history.pop()<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u64a4\u9500")<\/p>\n
    def redo(self):<\/p>\n
        if self.redo_stack:<\/p>\n
            self.history.append(self.state)<\/p>\n
            self.state = self.redo_stack.pop()<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u91cd\u505a")<\/p>\n
    def make_move(self, move):<\/p>\n
        self.save_state()<\/p>\n
        self.state = move<\/p>\n
\u793a\u4f8b\u7528\u6cd5<\/strong><\/h2>\n
game = Game()<\/p>\n
game.make_move({"\u4f4d\u7f6e": 1, "\u5206\u6570": 10})<\/p>\n
game.make_move({"\u4f4d\u7f6e": 2, "\u5206\u6570": 20})<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 2, '\u5206\u6570': 20}<\/p>\n
game.undo()<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 1, '\u5206\u6570': 10}<\/p>\n
game.redo()<\/p>\n
print(game.state)  # \u8f93\u51fa: {'\u4f4d\u7f6e': 2, '\u5206\u6570': 20}<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u590d\u6742\u6e38\u620f\u72b6\u6001\u7ba1\u7406<\/h4>\n<\/p>\n
\u5bf9\u4e8e\u590d\u6742\u7684\u6e38\u620f\uff0c\u53ef\u80fd\u9700\u8981\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u72b6\u6001\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u72b6\u6001\u6a21\u5f0f\u6765\u7ba1\u7406\u6e38\u620f\u7684\u4e0d\u540c\u72b6\u6001\uff0c\u5e76\u5b9e\u73b0\u64a4\u9500\u548c\u91cd\u505a\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
class GameState:<\/p>\n
    def __init__(self, position, score):<\/p>\n
        self.position = position<\/p>\n
        self.score = score<\/p>\n
class Game:<\/p>\n
    def __init__(self):<\/p>\n
        self.state = GameState(0, 0)<\/p>\n
        self.history = []<\/p>\n
        self.redo_stack = []<\/p>\n
    def save_state(self):<\/p>\n
        self.history.append(copy.deepcopy(self.state))<\/p>\n
        self.redo_stack.clear()  # \u6e05\u7a7a\u91cd\u505a\u6808<\/p>\n
    def undo(self):<\/p>\n
        if self.history:<\/p>\n
            self.redo_stack.append(self.state)<\/p>\n
            self.state = self.history.pop()<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u64a4\u9500")<\/p>\n
    def redo(self):<\/p>\n
        if self.redo_stack:<\/p>\n
            self.history.append(self.state)<\/p>\n
            self.state = self.redo_stack.pop()<\/p>\n
        else:<\/p>\n
            print("\u65e0\u6cd5\u91cd\u505a")<\/p>\n
    def make_move(self, position, score):<\/p>\n
        self.save_state()<\/p>\n
        self.state = GameState(position, score)<\/p>\n
\u793a\u4f8b\u7528\u6cd5<\/strong><\/h2>\n
game = Game()<\/p>\n
game.make_move(1, 10)<\/p>\n
game.make_move(2, 20)<\/p>\n
print(game.state.position, game.state.score)  # \u8f93\u51fa: 2 20<\/p>\n
game.undo()<\/p>\n
print(game.state.position, game.state.score)  # \u8f93\u51fa: 1 10<\/p>\n
game.redo()<\/p>\n
print(game.state.position, game.state.score)  # \u8f93\u51fa: 2 20<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728Python\u6e38\u620f\u4e2d\u5b9e\u73b0\u8fd4\u56de\u4e0a\u4e00\u6b65\u7684\u529f\u80fd\u3002\u6839\u636e\u5177\u4f53\u7684\u6e38\u620f\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u64a4\u9500\u64cd\u4f5c\uff0c\u4ece\u800c\u63d0\u9ad8\u6e38\u620f\u7684\u53ef\u73a9\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5728Python\u6e38\u620f\u4e2d\uff0c\u5982\u4f55\u5b9e\u73b0\u64a4\u56de\u64cd\u4f5c\uff1f<\/strong>
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\u5728Python\u6e38\u620f\u4e2d\uff0c\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u6a21\u5f0f\u6765\u5b9e\u73b0\u64a4\u56de\u529f\u80fd\uff1f<\/strong>
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\u5982\u4f55\u5728Python\u6e38\u620f\u4e2d\u4f18\u5316\u64a4\u56de\u529f\u80fd\u4ee5\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff1f<\/strong>
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