// 1
function makeList(item1, item2, item3) {
  return [item1, item2, item3];
}

//2
function addToList(list, item) {
  list.push(item);
  return list;
}

//3
function accessFirstItem(array) {
  return array[0]
}

function accessThirdItem(array) {
  return array[2]
}

//4
function firstFourItems(array) {
  return array.slice(0,4);
}

function lastThreeItems(array) {
  return array.slice(-3);
}

//5
function minusLastItem(array) {
 return array.slice(0,-1)
}

function copyFirstHalf(array) {
return array.slice(0, array.length/2);

}

//6

function squares(array) {
  return array.map(num => num * num);
}

//7
function greatestToLeast(array) {
  return array.sort(function(a,b) {
    return b - a;
  } );
}

//8
function shortWords(array) {
  return array.filter(item => item.length < 5);
}

//9
function divisibleBy5(array) {
  return array.find(num => num % 5 === 0);
}