回答編集履歴
1
右辺の配列にも条件が必要だったので修正
test
CHANGED
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@@ -1,6 +1,8 @@
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1
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```python
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2
2
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3
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-
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3
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+
xy=(list_1 != 0) & (list_2 != 0) & (list_3 != 0)
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4
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+
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5
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+
ar[xy] = ar2[xy]
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4
6
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5
7
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```
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6
8
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