On 2 July 2013 22:43, Surya Kasturi <sur...@ieee.org> wrote: > Hi all, this seems to be quite stupid question but I am "confused".. > We set the initial value to 0, +1 for up-vote and -1 for down-vote! nice. > > I have a list of bool values True, False (True for up vote, False for > down-vote).. submitted by users. > > [True, False, False, True....] > > Now to calculate the total reputation > > should I take True = +1, False=0 [or] True = +1, False=-1 ?? for adding > all. > > I am missing something here.. and that's clear.. anyone please help me on > it?
It depends what you want to do. I suggest http://www.evanmiller.org/how-not-to-sort-by-average-rating.html. This aint so simple, but it's the correct way to sort by "approval". In fact, it's bloody confusing. To assume that only the "sum" approval counts, I'd not suggest {True: 1, False: 0}. The problem is that a "downvote" then becomes pointless. So probably go with False as -1. So you'd want: sum((1 if vote else -1) for vote in votes) -- http://mail.python.org/mailman/listinfo/python-list