//

function getTotal(){
  console.log(multiplier);
  console.log(total);

  let total = 0;

  for(var i = 0; i < 10; i++){
    let valueToAdd = i;
    var multiplier = 2;
    total += valueToAdd * multiplier;
  }
    return total;
}

getTotal();

//How javascript interpertar reads the code.

function getTotal(){
  let total;
  var multiplier;
  total = 0;

  for(var i = 0; i < 10; i++){
    let valueToAdd;

    valueToAdd = i;
    multiplier = 2;
    total += valueToAdd * multiplier;
  }
  return total;
}

getTotal();