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iOS Swift 2.0 Collections and Control Flow Control Flow With Conditional Statements Working with Switch Statements

what is the solution for this challenge?

can you tell me what is the solution for this challenge? thanx

var europeanCapitals: [String] = []
var asianCapitals: [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

    // End code

Challenge Task 1 of 1

Here we have a dictionary of type [String: String] that contains a three letter country code as a key and that country's capital city as the associated value.

We also have three empty arrays, europeanCapitals, asianCapitals, and otherCapitals. The goal is to iterate through the dictionary and end up with just the names of the capital cities in the relevant array.

For example, after you execute the code you write, europeanCapitals will have the values ["Vaduz", "Brussels", "Sofia"] (not necessarily in that order).

To do this you're going to use a switch statement and switch on the key. For cases where the key is a European country, append the value (not the key!) to the europeanCapitals array. For keys that are Asian countries, append the value to asianCapitals and finally for the default case, append the values to otherCapitals.

I've already set up the for in loop for you so jump right in!

1 Answer

Deividas Eringis
Deividas Eringis
3,168 Points

You have to iterate using 'key' item and use 'value' item to append to arrays

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

what about bra is it not Sweden ?