3.js

// Please create a function that takes in an array. The function should console.log() the sum of the first value in the array and the last value in the array

let newArray = [1,1,1]

function addFirstLast (newArray) {
  
    console.log(newArray[0] + newArray[2])
}


addFirstLast(newArray)



// newArray[newArray.length-1]