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id, title, challengeType, videoId, bilibiliIds, dashedName
id title challengeType videoId bilibiliIds dashedName
5e9a093a74c4063ca6f7c15c Pandas 創建列 11 _sSo2XZoB3E
aid bvid cid
975568901 BV1b44y1b7Cg 409018052
pandas-creating-columns

--description--

在視頻中我們使用的編輯器工具是在 notebook.ai 這個平臺,你也可以選擇用其他的平臺,比如說 Google Colab 也是一個不錯的選擇。

以下有更多的資料:

--question--

--text--

哪段代碼可以向 DataFrame certificates_earned 中添加一個 “Certificates per month” 列,就像下面所展示的?

      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--

3