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

Enrique González-Roulet
Enrique González-Roulet
539 Points
Posted by Enrique González-Roulet
Enrique González-Roulet
539 Points

anyone can help me with the while loop challenge, with the second part...(the sum)? :(

Now that we have the while loop set up, it's time to compute the sum! Using the value of counter as an index value, retrieve each value from the array and add it to the value of sum.

For example: sum = sum + newValue. Or you could use the compound addition operator sum += newValue where newValue is the value retrieved from the array

(I´m stuck with this, I know that is easy, but maybe this its not for me... :(

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

// Enter your code below

while numbers.count < counter{
counter += 1
let newValue = numbers[index]
numbers.count = sum + newValue
}

2 Answers

Marlon Henry
Marlon Henry
6,885 Points
Marlon Henry
Marlon Henry
6,885 Points

Try

while counter < numbers.count

Instead of

while numbers.count < counter
Enrique González-Roulet
Enrique González-Roulet
539 Points
Enrique González-Roulet
Enrique González-Roulet
539 Points

Thanks for your answer Marlon, Regrettably It didn't´t work... this appears:

Bummer! Make sure you're retrieving values from the array inside the while loop to compute the sum!