//Sort array of objects based on rank number:
function orderObjects(arr) {
	let sorted;
	sorted = arr.sort((a, b) => a.rank < b.rank ? -1: 1);
	return sorted;
};

//Get average rank number from array of objects:
function getAverage(arrOfObj) {
	let numbers = [];
	for (let rank in arrOfObj) {
		numbers.push(arrOfObj[rank].rank);
    };
	console.log(numbers.length);
	let sum = numbers.reduce((acc, curr) => acc + curr, 0);
	return sum / numbers.length;
};