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Why does "a == x or y or z" always evaluate to True?
python
boolean
boolean-expression
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Truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()
python
pandas
dataframe
boolean
filtering
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
equality
python
boolean
language-specifications
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Logical operators for Boolean indexing in Pandas
python
pandas
dataframe
boolean
filtering
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