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freeCodeCamp/curriculum/challenges/japanese/08-data-analysis-with-python/data-analysis-with-python-course/pandas-creating-columns.md
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id, title, challengeType, videoId, bilibiliIds, dashedName
id title challengeType videoId bilibiliIds dashedName
5e9a093a74c4063ca6f7c15c Pandas での列の作成 11 _sSo2XZoB3E
aid bvid cid
975568901 BV1b44y1b7Cg 409018052
pandas-creating-columns

--description--

動画で説明しているように、notebooks.ai を使用する代わりに Google Colab を使用することができます。

その他のリソース:

--question--

--text--

次のような certificates_earned DataFrame に "Certificates per month" (月ごとの証明書) 列を追加するコードはどのようになりますか？

      Certificates  Time (in months)  Certificates per month
Tom               8                16                    0.50
Kris              2                 5                    0.40
Ahmad             5                 9                    0.56
Beau              6                12                    0.50

--answers--

certificates_earned['Certificates'] /
certificates_earned['Time (in months)']

certificates_earned['Certificates per month'] = round(
    certificates_earned['Certificates'] /
    certificates_earned['Time (in months)']
)

certificates_earned['Certificates per month'] = round(
    certificates_earned['Certificates'] /
    certificates_earned['Time (in months)'], 2
)

--video-solution--

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