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

Rea Rahhal
PLUS
Rea Rahhal
Courses Plus Student 4,732 Points
Posted by Rea Rahhal
Rea Rahhal
Courses Plus Student 4,732 Points

Your code could not be compiled

Can't iterate over a loop

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

for multiplier in 1 ... 10 {
results [multiplier] = multiplier * 6

}

1 Answer

Jennifer Nordell
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STAFF
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Jennifer Nordell
Treehouse Teacher
Jennifer Nordell
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher

Hi there! You're on the right track, but let's think about this for a second. The variable multiplier starts at 1. Given an empty array, what is at the index of 1? Nothing. There's not yet anything at the index of 0 either. Remember, arrays start numbering at 0.

The solution to this is to use the append method:

myArray.append(thingToAppend)

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