Write a function in Ocaml. count123 : int list -> int*int*int that takes in an int list l and returns a 3-tuple of integers counting the number of 1's, 2's and 3's respectively in l. For example, count123 [3;4;2;1;3] = (1,1,2), and count123 [4;4;1;2;1] = (2,1,0). let count123 l = (* YOUR CODE HERE *)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Write a function in Ocaml.

count123 : int list -> int*int*int

that takes in an int list l and returns a 3-tuple of integers counting the number of 1's, 2's and 3's respectively in l. For example, count123 [3;4;2;1;3] = (1,1,2), and count123 [4;4;1;2;1] = (2,1,0).

let count123 l = (* YOUR CODE HERE *)

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