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Mar 17th, 2018
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  1. addUserDislikes :: Title -> User -> [Film] -> [Film]
  2. addUserDislikes title user db = [ if ti == title && elem user dislike == False then (ti, di, yr,like,dislike++ [user])else (ti, di, yr, like, dislike) | (ti, di, yr, like, dislike) <- db]
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