var evenSum = (numbers) => {
    let sumOfEvenNumbers = 0;
    for (let i = 0; i < numbers.length; i++) {
        if (numbers[i] % 2 === 0) {
            sumOfEvenNumbers = sumOfEvenNumbers + numbers[i];
        }
    }
    return sumOfEvenNumbers;
}
myArray = [10, 5, 6, 5, 3,18];
console.log(evenSum(myArray));


// Return a list of all squares
// Code for A, creating a new List

var listOfAllSquares = (numbers) => {
    squareOfNumbers = []
    for (let i = 0; i < numbers.length; i++) {
        squareOfNumbers.push(numbers[i] ** 2);
    }
    return squareOfNumbers;
}

arrayx = [1, 20, 50, 10, 200, 40];
console.log(listOfAllSquares(arrayx));

// Code for B, using the same List
var listOfAllSquares = (numbers) => {
    for (let i = 0; i < numbers.length; i++) {
        numbers[i] = numbers[i] ** 2;
    }
    return numbers;
}

arrayy = [1, 20, 50, 10, 200, 40];
console.log(listOfAllSquares(arrayy));