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freeCodeCamp/curriculum/challenges/japanese/08-data-analysis-with-python/data-analysis-with-python-course/pandas-conditional-selection-and-modifying-dataframes.md
2022-01-20 20:30:18 +01:00

1.8 KiB

id, title, challengeType, videoId, bilibiliIds, dashedName
id title challengeType videoId bilibiliIds dashedName
5e9a093a74c4063ca6f7c15b Pandas の条件付き選択とデータフレームの変更 11 BFlH0fN5xRQ
aid bvid cid
505598518 BV1vg411c72y 409113534
pandas-conditional-selection-and-modifying-dataframes

--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--

次のコードは何を表示しますか?

import pandas as pd

certificates_earned = pd.DataFrame({
    'Certificates': [8, 2, 5, 6],
    'Time (in months)': [16, 5, 9, 12]
})
names = ['Tom', 'Kris', 'Ahmad', 'Beau']

certificates_earned.index = names
longest_streak = pd.Series([13, 11, 9, 7], index=names)
certificates_earned['Longest streak'] = longest_streak

print(certificates_earned)

--answers--

Tom      13
Kris     11
Ahmad     9
Beau      7
Name: Longest streak, dtype: int64

      Certificates  Time (in months)  Longest streak
Tom               8                16              13
Kris              2                 5              11
Ahmad             5                 9               9
Beau              6                12               7

      Certificates   Longest streak
Tom               8               13
Kris              2               11
Ahmad             5                9
Beau              6                7

--video-solution--

2