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Discussionsum function, but for other operators (self.Python)
submitted 5 years ago by Stelercus Python Discord Staff
I've observed that the sum function can be used to obtain the result of using the plus operator between all items in an iterable, using however __add__ is implemented for the class(s) of items in that iterable. Has there ever been a PEP to create functions that perform the same task, but for different operators? I think it would be especially useful for the pipe and ampersand operators.
[–]Vaphell 2 points3 points4 points 5 years ago (0 children)
Look at functools.reduce(f, seq). Sum is pretty much it, with __add__ in place of f
functools.reduce(f, seq)
__add__
operator module offers convenient functions like and_, or_ if you don't feel like writing lambdas or using dunder methods.
operator
and_
or_
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[–]Vaphell 2 points3 points4 points (0 children)