回答編集履歴
1
remove
answer
CHANGED
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@@ -19,7 +19,8 @@
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19
19
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Aを破壊していいなら。
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20
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```python
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22
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+
for _ in range(A.count(None)):
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22
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-
A.remove(None)
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23
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+
A.remove(None)
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print(A)
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25
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# [1, 2, 3]
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```
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