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Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today. # This loop got me all loopy

In this task, we have an array of numbers and we want to compute the sum of its values.

We have a variable ,sum, that will store the value of the sum of numbers from the array.

We also have a variable ,counter, which we will use to track the number of iterations of the while loop.

Step 1: Create a while loop. The while loop should continue as long as the value of counter is less than the number of items in the array. (Hint: You can get that number by using the count property)

loops.swift
```let numbers = [2,8,1,16,4,3,9]
var sum = 0
var counter = 0

``` PLUS

Hello mate,

The size of the `numbers` array is accessible from its `.count` property. To iterate over each element of `numbers`, the while statement's conditional expression should evaluate to true so long as `counter` is less than `numbers.count`, and `counter` should be incremented by one from within the statement's body. This incrementation should occur after any expression that accesses `numbers` using the `counter` value.

```let numbers = [2,8,1,16,4,3,9]
var sum = 0
var counter = 0
while counter < numbers.count {