回答編集履歴
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answer
CHANGED
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@@ -5,6 +5,8 @@
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[基本的な正規表現一覧 | murashun.jp](https://murashun.jp/blog/20190215-01.html)
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## 修正後のコード
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```python
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# -*- coding: utf-8 -*-
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import pandas as pd
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1
修正
answer
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@@ -22,4 +22,12 @@
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# *を除去
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df2 = df.replace(r"*", "A", regex=True)
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print(df2)
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```
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```
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A B C
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0 11 21 31
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30
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1 12 22 32
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31
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2 A13 A23 A33
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32
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3 14 24 34
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```
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