iOS Swift Collections and Control Flow Control Flow With Loops For In Loops

Christopher J Doyle
Christopher J Doyle
682 Points

little confused on this one. Could someone please help?

for multiplier in results { print(multiplier) }

for multiplier in 1...10 { print("(multiplier) times 2 is equal to(multiplier * 3)") }

help please

loops.swift
// Enter your code below
var results: [Int] = []

for multiplier in results {
  print(multiplier)
}

for multiplier in 1...10 {
  print("\(multiplier) times 2 is equal to\(multiplier * 3)")
}

1 Answer

Jennifer Nordell
STAFF
Jennifer Nordell
Treehouse Staff

Hi there, Christopher J Doyle ! I received your request for assistance. First, you have two for loops, but you will only need one. Right now you are printing things, but you will not need the print function here. You should be filling up that empty array named results with the result of the number you're looking at times 6. When the loop completes, the array will have gone from empty to looking like [6, 12, 18, 24, 30, 36, 42, 48, 54, 60] but it will be a bit invisible to you as you aren't printing anything. You might try this in a playground to see if you can get the same results.

You will need the append method here :smiley:

I think you can get it with these hints, but let me know if you're still stuck! :sparkles: