Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

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.

Start your free trial

iOS Swift Collections and Control Flow Control Flow With Loops Working With Loops

Tyler Dotson
PLUS
Tyler Dotson
Courses Plus Student 1,740 Points
Posted by Tyler Dotson
Tyler Dotson
Courses Plus Student 1,740 Points

I dont know what its asking.

making sure all values are being retrieved

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

// Enter your code below
while counter < numbers.count {
      counter += 1

      sum += numbers[0]
}

2 Answers

Jeff McDivitt
Jeff McDivitt
23,970 Points
Jeff McDivitt
Jeff McDivitt
23,970 Points 
while counter < numbers.count {
    sum += (numbers[counter])
    print(numbers[counter])
    counter += 1

}
Brandon Adams
Brandon Adams
10,325 Points
Brandon Adams
Brandon Adams
10,325 Points

You have to put counter as your index, where you have [0]. numbers[0] is not changing. numbers[counter] is changing with the loop