回答編集履歴
3
追記
answer
CHANGED
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@@ -68,4 +68,40 @@
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68
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False
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69
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```
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70
70
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71
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-
こっちでしょうか？
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71
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+
こっちでしょうか？
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72
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+
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73
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質問編集を受けて
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74
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---
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75
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> UpdaterインスタンスがEnvironmentインスタンスを直接保持するように
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76
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77
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こういうことです。
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78
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79
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```Python
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80
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class Environment:
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81
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def __init__(self, width, depth):
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82
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self.Env = [[0 for w in range(width)] for d in range(depth)]
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83
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self.updater = Updater(self)
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84
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85
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def getEnv(self):
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86
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return self.Env
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87
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88
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class Updater:
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89
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def __init__(self, Environment):
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90
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self.Environment = Environment
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91
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92
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def changeEnv(self, width, depth):
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93
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self.Environment.Env = [[1 for w in range(width)] for d in range(depth)]
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94
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95
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my_env = Environment(5, 5)
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96
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print(my_env.getEnv())
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97
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my_env.updater.changeEnv(10, 10)
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98
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print(my_env.getEnv())
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99
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```
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100
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+
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101
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+
**実行結果** [Wandbox](https://wandbox.org/permlink/1oWvo9vHdTZa9hRT)
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102
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```
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103
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[[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
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104
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[[1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]]
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105
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```
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106
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+
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107
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EnvironmentクラスがEnv属性を持ってしまっているのが問題をややこしくしているような。
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2
追記
answer
CHANGED
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@@ -51,13 +51,21 @@
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51
51
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52
52
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my_env = Environment(5, 5)
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54
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print(my_env.getEnv() is my_env.updater.Env)
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55
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54
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my_env.updater.swapEnv([1, 2, 3])
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55
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print(my_env.getEnv())
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56
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print(my_env.updater.Env)
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59
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+
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60
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print(my_env.getEnv() is my_env.updater.Env)
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57
61
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```
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58
62
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59
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-
**実行結果** [Wandbox](https://wandbox.org/permlink/
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63
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+
**実行結果** [Wandbox](https://wandbox.org/permlink/6AuXdC5N3DgN1Olg)
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60
64
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```
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65
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True
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66
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[[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
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62
67
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[1, 2, 3]
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68
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False
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63
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-
```
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69
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```
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70
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+
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71
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+
こっちでしょうか？
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1
追記
answer
CHANGED
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@@ -28,4 +28,36 @@
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28
28
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```
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29
29
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[[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
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30
30
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[[10, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
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31
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```
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32
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33
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ひょっとしたら
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34
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---
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35
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ハマるとすれば、『Envに再代入してしまった場合』です。
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36
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```Python
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37
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class Environment:
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38
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def __init__(self, width, depth):
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39
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self.Env = [[0 for w in range(width)] for d in range(depth)]
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40
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self.updater = Updater(self)
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41
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+
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42
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def getEnv(self):
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43
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return self.Env
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44
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45
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+
class Updater:
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46
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def __init__(self, Environment):
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47
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self.Env = Environment.Env
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48
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49
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def swapEnv(self, new_env):
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50
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self.Env = new_env
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51
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52
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+
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53
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my_env = Environment(5, 5)
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54
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my_env.updater.swapEnv([1, 2, 3])
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55
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print(my_env.getEnv())
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56
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print(my_env.updater.Env)
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57
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```
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58
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+
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59
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+
**実行結果** [Wandbox](https://wandbox.org/permlink/CDLpfFk7AIIGQtHA)
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60
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```
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61
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[[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
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62
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+
[1, 2, 3]
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31
63
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```
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