how to print array backwards
var array = ['a','b','c','d','e','f','g']
var j = array.length 
for(var i = 0; i < array.length ; i++){
    console.log(array[j])
    j=j-1 }
    /*
var j holds value of the array's number of values so every time in the loop it decrements by 1 making the 
function print a backwars array
    */
