change value by key of another dataframe

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Track title: CC F Haydns String Quartet No 53 in D

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Chapters
00:00 Question
01:33 Accepted answer (Score 1)
01:57 Answer 2 (Score 1)
02:32 Answer 3 (Score 1)
03:05 Thank you

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Full question
https://stackoverflow.com/questions/7060...

Accepted answer links:
[Series.map]: https://pandas.pydata.org/docs/reference...

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Tags
#python #pandas

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