回答編集履歴
3
追記
test
CHANGED
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@@ -139,3 +139,75 @@
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こっちでしょうか？
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質問編集を受けて
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---
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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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こういうことです。
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```Python
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class Environment:
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def __init__(self, width, depth):
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self.Env = [[0 for w in range(width)] for d in range(depth)]
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self.updater = Updater(self)
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def getEnv(self):
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return self.Env
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class Updater:
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def __init__(self, Environment):
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self.Environment = Environment
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def changeEnv(self, width, depth):
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self.Environment.Env = [[1 for w in range(width)] for d in range(depth)]
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my_env = Environment(5, 5)
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print(my_env.getEnv())
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my_env.updater.changeEnv(10, 10)
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print(my_env.getEnv())
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```
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**実行結果** [Wandbox](https://wandbox.org/permlink/1oWvo9vHdTZa9hRT)
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```
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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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[[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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```
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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
test
CHANGED
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@@ -104,22 +104,38 @@
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my_env = Environment(5, 5)
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print(my_env.getEnv() is my_env.updater.Env)
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my_env.updater.swapEnv([1, 2, 3])
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print(my_env.getEnv())
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print(my_env.updater.Env)
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print(my_env.getEnv() is my_env.updater.Env)
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```
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**実行結果** [Wandbox](https://wandbox.org/permlink/CD
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**実行結果** [Wandbox](https://wandbox.org/permlink/6AuXdC5N3DgN1Olg)
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```
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True
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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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[1, 2, 3]
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False
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```
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こっちでしょうか？
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1
追記
test
CHANGED
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@@ -59,3 +59,67 @@
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59
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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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60
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```
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ひょっとしたら
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---
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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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```Python
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class Environment:
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def __init__(self, width, depth):
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self.Env = [[0 for w in range(width)] for d in range(depth)]
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self.updater = Updater(self)
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def getEnv(self):
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return self.Env
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class Updater:
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def __init__(self, Environment):
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self.Env = Environment.Env
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def swapEnv(self, new_env):
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self.Env = new_env
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my_env = Environment(5, 5)
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my_env.updater.swapEnv([1, 2, 3])
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print(my_env.getEnv())
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print(my_env.updater.Env)
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```
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**実行結果** [Wandbox](https://wandbox.org/permlink/CDLpfFk7AIIGQtHA)
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```
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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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[1, 2, 3]
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```
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