averageNum

function averageNum(input) {

    let num = Number(input[0]);
    let index = 1;
    let currentNum = Number(input[index]);
    let sum = 0;
    let counter = 0



    while (num !== counter ) {
        counter++
        sum += currentNum;
        index++;
        currentNum = Number(input[index]);
    }
    let average = sum/num


    console.log(average.toFixed(2))

}

averageNum(["4", "3", "2", "4", "2"]);