unique combinations of values in selected columns in pandas data frame and count

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Music by Eric Matyas
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Track title: Puzzle Game 2

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Chapters
00:00 Question
01:41 Accepted answer (Score 286)
03:12 Answer 2 (Score 28)
03:47 Answer 3 (Score 2)
04:07 Answer 4 (Score 1)
04:39 Thank you

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Full question
https://stackoverflow.com/questions/3526...

Answer 1 links:
[value_counts]: https://pandas.pydata.org/pandas-docs/st...

Answer 2 links:
[count() and size()]: https://stackoverflow.com/a/54364400/122...

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Tags
#python #pandas

#avk47