Write a purely functional Scheme function that returns a list of all permutations of a given list.
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Write a purely functional Scheme function that returns a list of all permutations of a given list. For example, given (a b c), it should return ((a b c) (b a c) (b c a) (a c b) (c a b) (c b a)) (in some order).
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define permutations lambda L return a list of all permutations of list L let insertall lambda e Ls ...View the full answer
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