Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

iOS Swift Collections and Control Flow Control Flow With Conditional Statements Working With Switch Statements

In the editor we have a dictionary that contains a three letter country code as a key and that country's capital city as

what am I doing wrong

operators.swift
var europeanCapitals: [String] = []
var europeanCapitals: [String] = []
var otherCapitals: [String] = []

let world = [
  "BEL": "Brussels", 
  "LIE": "Vaduz", 
  "BGR": "Sofia", 
  "USA": "Washington D.C.", 
  "MEX": "Mexico City", 
  "BRA": "Brasilia", 
  "IND": "New Delhi", 
  "VNM": "Hanoi"]

for (key, value) in world {
    // Enter your code below
    switch (key, value) {
    case "BEL", "LIE", "BGR": europeanCapitals.append(value)
    case "IND", "VNM": europeanCapitals.append(value)
    default: otherCapitals.append(value)
    }
    // End code
}

1 Answer

1) Since your cases are keys you will want to switch on key only

2) You have declared var europeanCapitals twice. You should change the second one back to var asianCapitals and use that for case "IND", "VNM":