49 lines
540 B
Markdown
49 lines
540 B
Markdown
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---
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id: 5e9a0a8e09c5df3cc3600ed7
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title: 配列のコピーに関する注意
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challengeType: 11
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videoId: iIoQ0_L0GvA
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bilibiliIds:
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aid: 633008569
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bvid: BV1Bb4y127fb
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cid: 409026161
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dashedName: copying-arrays-warning
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---
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# --question--
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## --text--
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次のコードを実行した後、`a` の値は何になりますか？
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```py
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import numpy as np
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a = np.array([1, 2, 3, 4, 5])
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b = a
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b[2] = 20
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```
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## --answers--
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```python
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[1 2 3 4 5]
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```
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---
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```python
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[1 2 20 4 5]
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```
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---
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```python
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[1 20 3 4 5]
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```
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## --video-solution--
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2
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