pandas: multiple conditions while indexing data frame - unexpected behavior

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Track title: Light Drops

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Chapters
00:00 Question
01:21 Accepted answer (Score 358)
02:31 Answer 2 (Score 72)
02:46 Answer 3 (Score 20)
03:20 Answer 4 (Score 1)
04:30 Thank you

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Full question
https://stackoverflow.com/questions/2259...

Answer 1 links:
[query()]: https://pandas.pydata.org/pandas-docs/st...

Answer 3 links:
[de Morgan's laws]: https://en.wikipedia.org/wiki/De_Morgan%...

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Tags
#python #pandas #dataframe #indexing #booleanlogic

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