link to week 5 answers

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@@ -161,6 +161,9 @@ Practical advice for working with OCaml and/or Haskell (all will be posted soon)
 
 > Topics: [[Combinatory evaluator|topics/week7_combinatory_evaluator]]; Interpreter for Lambda terms; [[Introducing Monads|topics/week7_introducing_monads]] (updated Fri 20 Mar); [[Homework|exercises/assignment7]]
 
+> We posted [[answers to Week 5-6's homework|exercises/assignment5_answers]]. Answers to Week 4's homework coming soon.
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 (**Week 8**) Thursday March 26
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