Run npm i to install dependendies
Run command node pizza-delivery.js to see output.
//split input string to array
//init mariaPosition as array of objects = [{x: 0, y: 0}]
//init deliveryCounter = 0
//loop through input arry
//if i === ^ increment y by 1
//elseif i === v increment y by -1
//elseif i === > increment x by 1
//elseif i === < increment x by -1
//check to see if object already exists in array
//if false insert new object into array
//return count of final num of objects as num of unique houses
structuredClone(value) allows the original value to be transferred rather than cloned to the new object to track the current position in relation to the previous position.