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 Dictionaries in Swift Working With Dictionaries

walter fernandez
walter fernandez
4,992 Points
Posted by walter fernandez
walter fernandez
4,992 Points

Let's pretend a customer has ordered an ice cream. Retrieve the value for apple pie using the correct key and assign it

help

dictionary.swift 
// Enter your code below

 var iceCream = ["CC" :  "Chocolate Chip", "AP" : "Apple Pie", "PB" : "Peanut Butter"]
iceCream.updateValue("Rocky Road", forKey:"RR")
let applePie = ["AP"]

1 Answer

Adam Payne
Adam Payne
513 Points
Adam Payne
Adam Payne
513 Points

You need to specify the dictionary before the key, try this...

// Enter your code below
 var iceCream = ["CC" :  "Chocolate Chip", "AP" : "Apple Pie", "PB" : "Peanut Butter"]
iceCream.updateValue("Rocky Road", forKey:"RR")
let applePie = iceCream["AP"]