回答編集履歴
1
誤字修正
answer
CHANGED
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@@ -9,4 +9,23 @@
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9
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10
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```
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11
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'float' object is not callable
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12
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```
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組み込み関数 `callable` を使うと伝わりやすいかもしれません。
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```
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def f():
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pass
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y = 0
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callable(f)
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callable(x)
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```
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```
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>>> callable(f)
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True
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>>> callable(y)
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False
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>>>
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12
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```
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