回答編集履歴
2
変更
answer
CHANGED
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@@ -30,7 +30,7 @@
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dst_filename = sys.argv[1]
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f_in = open(path, "r", encoding="utf-8")
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f_out = open(dst_filename, 'w', encoding='utf-8')
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33
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f_out = open(dst_filename, 'w', encoding='utf-8', newline='') # can110様のご指摘をうけて改善
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reader = csv.DictReader(f_in)
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writer = csv.writer(f_out)
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for line in reader:
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1
例を増やした
answer
CHANGED
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@@ -19,4 +19,22 @@
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でも、そもそもこれよりこっちを使うべき。csv.writer.writerowでいけます。
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[Pythonでcsvファイルにデータを書き込みをする基本中の基本](https://tonari-it.com/python-csv-writer-writerow/#toc3)
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[Pythonでcsvファイルにデータを書き込みをする基本中の基本](https://tonari-it.com/python-csv-writer-writerow/#toc3)
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```python
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import csv
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import os.path
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dirname = os.path.dirname(__file__)
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path = os.path.join(dirname,"test.csv")
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dst_filename = sys.argv[1]
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f_in = open(path, "r", encoding="utf-8")
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f_out = open(dst_filename, 'w', encoding='utf-8')
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reader = csv.DictReader(f_in)
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writer = csv.writer(f_out)
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for line in reader:
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writer.writerow([line["status"], line["user_id"]])
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f_in.close()
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f_out.close()
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```
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