Update row values where certain condition is met in pandas

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Music by Eric Matyas
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Track title: The Builders

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Chapters
00:00 Question
00:58 Accepted answer (Score 320)
02:35 Answer 2 (Score 5)
03:27 Answer 3 (Score 0)
04:37 Thank you

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Full question
https://stackoverflow.com/questions/3690...

Question links:
[image]: https://i.stack.imgur.com/qD5f2.png

Accepted answer links:
[loc]: http://pandas.pydata.org/pandas-docs/sta...
[numpy.where]: http://docs.scipy.org/doc/numpy-1.10.1/r...
[numpy.where]: https://numpy.org/doc/stable/reference/g...
[numpy.select]: https://numpy.org/doc/stable/reference/g...

Answer 3 links:
[mask()]: https://pandas.pydata.org/docs/reference...
[image]: https://i.stack.imgur.com/WVNj4.png
[image]: https://i.stack.imgur.com/Limw5.png
[filter()]: https://pandas.pydata.org/docs/reference...

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Tags
#python #pandas #indexing #iterator #mask

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