Pandas DataFrame: set_index with inplace=True returns a NoneType, why?

This video explains
Pandas DataFrame: set_index with inplace=True returns a NoneType, why?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Puzzle Game 2 Looping

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Chapters
00:00 Question
01:33 Accepted answer (Score 25)
02:29 Answer 2 (Score 1)
02:53 Thank you

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Full question
https://stackoverflow.com/questions/4285...

Question links:
[the documentation]: http://pandas.pydata.org/pandas-docs/sta...

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Tags
#python #python3x #pandas #dataframe

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