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ocaml Write a function flatten : ' a list list -> ' a list that flattens a list. For example, flatten [[1;2];[4;3]] = [1;2;4;3]. In
ocaml
Write a function
flatten : 'a list list -> 'a list
that flattens a list. For example, flatten [[1;2];[4;3]] = [1;2;4;3].
In [ ]:
let rec flatten l =
(* YOUR CODE HERE *)
In [ ]:
assert (flatten ([[1;2];[4;3]]) = [1;2;4;3])
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