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'use strict';

const sum = (a, b) => a + b;

console.dir(sum(1, 2)); // 3

console.dir(sum(1, '2')); // '12'

console.dir(sum('1', 2)); // '12'

console.dir(sum('1', '2')); // '12'

console.dir(sum(true, true)); // 2

console.dir(sum(true, false)); // 1

console.dir(sum(false, false)); // 0

console.dir(sum(1.5, 2)); // 3.5

console.dir(sum('1.5', '2')); // '1.52'