回答編集履歴
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追記
test
CHANGED
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@@ -1,3 +1,55 @@
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後者はクラス変数なので、インスタンス間で共有されます。
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また、Sample_2.aと書いてもアクセスできます。
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```Python
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class Sample_2():
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clsvar = "hoge"
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def __init__(self):
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self.instvar = "spam"
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def __str__(self):
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return f'{self.clsvar}{self.instvar}'
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inst1 = Sample_2()
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inst2 = Sample_2()
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print(inst1, inst2)
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Sample_2.clsvar = 'piyo' # inst1.clsvar = 'piyo' と書くと、インスタンス変数を新たに生成してしまう
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inst1.instvar = 'ham'
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print(inst1, inst2)
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```
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**実行結果** [Wandbox](https://wandbox.org/permlink/HlXv8gae8E08Vx0u)
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```
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hogespam hogespam
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piyoham piyospam
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55
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```
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