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  1. #!/usr/bin/env python3
  2.  
  3. # ゲームの環境情報
  4. class World:
  5.     def __init__(self, stones, player):
  6.         self.stones = stones
  7.         self.player = player
  8.  
  9. # メッセージ分離方式
  10. Messages = {"init" : "石の数 (10以上) :",
  11.             "number-of-stones" : "石の数: {0}\n",
  12.             "prompt" : "プレイヤー{0}の番です\n何個取る (1〜3個) ?",
  13.             "winner" : "プレイヤー{0}の勝ち\n"}
  14.  
  15. # 入力の最小値と最大値
  16. Min, Max = 0, 4
  17.  
  18. # Eval
  19. def world_go(x, env):
  20.     stones = env.stones - x
  21.     player = 2 if env.player == 1 else 1
  22.     return World(stones, player)
  23.  
  24. # Eval(短縮版)
  25. ##def world_go(x, env):
  26. ##    return World(env.stones - x, 2 if env.player == 1 else 1)
  27.  
  28. # Read
  29. def read(env, prompt):
  30.     while True:
  31.         num = int(input(prompt.format(env.player)))
  32.         if num > Min or num < Max:
  33.             return num
  34.  
  35. # REPL 用補助関数
  36. # ゲーム終了判定
  37. def is_game_end(env):
  38.     return env.stones < 2
  39.  
  40. # ゲーム勝者表示
  41. def winner(env):
  42.     player = env.player
  43.     if env.stones == 0:
  44.         return player
  45.     else:
  46.         return 2 if player == 1 else 1
  47.  
  48. # 初期化
  49. def init():
  50.     while True:
  51.         try: num = int(input(Messages["init"]))
  52.         except ValueError: continue
  53.         if num > 9:
  54.             return World(num, 1)
  55.  
  56. # ゲーム実行
  57.  
  58. if __name__ == "__main__":
  59.     env = init()
  60.     while True:
  61.         print(Messages["number-of-stones"].format(env.stones))
  62.         if is_game_end(env):
  63.             print(Messages["winner"].format(winner(env)))
  64.             break
  65.         else:
  66.             try: env = world_go(read(env, Messages["prompt"]), env)
  67.             except ValueError: env
  68.  
Runtime error #stdin #stdout #stderr 0.16s 23376KB
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stdin
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15
stdout
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石の数 (10以上) :石の数: 15

プレイヤー1の番です
何個取る (1〜3個) ?
stderr
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Traceback (most recent call last):
  File "./prog.py", line 66, in <module>
  File "./prog.py", line 31, in read
EOFError: EOF when reading a line
https://ideone.com/EFXq8b
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
public

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