else if (command.includes("sumPairs")) {
            let blankArray = [];

            for (let i = 0; i < copyNumbers.length; i += 2) {
                let currentElement = copyNumbers[i];
                let nextElement = copyNumbers[i + 1];
                let currentSum = currentElement + nextElement;

                if (nextElement !== undefined) {
                    blankArray.push(currentSum);
                } else {
                    blankArray.push(currentElement);
                }
            }

            copyNumbers = blankArray;
        }