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Start your free trialMichael Cafin
iOS Development Techdegree Student 1,221 PointsIn need of some pointers
Hi,
This is what I've got so far and understand it is in need of adjustments. Please, advise on the following:
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 { switch (key, value) { case "BEL", "LIE", "BGR": europeanCapitals.append("Brussels", "Vaduz", "Sofia") case "IND", "VNM": asianCapitals.append("New Delhi", "Hanoi") default "USA", "MEX", "BRA": otherCapitals.append("Washington D.C.", "Mexico City", "Brasilia") } }
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 {
switch (key, value) {
case "BEL", "VIE", "BGR": europeanCapitals.append("Brussels", "Vaduz", "Sofia")
case "IND", "VNM": asianCapitals.append("New Delhi", "Hanoi")
default "USA", "MEX", "BRA": otherCapitals.append("Washington D.C.", "Mexico City", "Brasilia")
}
}
3 Answers
Dhanish Gajjar
20,185 PointsWhen you define for(key, value) in world
you have 2 constants, key and value respectively.
So in your switch statement, you only switch on the key constant and append the value to the corresponding Arrays. Like so ..
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
switch key {
case "BEL", "LIE", "BGR": europeanCapitals.append(value)
case "VNM", "IND": asianCapitals.append(value)
default : otherCapitals.append(value)
}
// End code
}
Hope it helps.
Michael Cafin
iOS Development Techdegree Student 1,221 PointsThank you Dhanish it is much appreciated. I was not aware that it could be that easy with a dictionary - I was overthinking
Dhanish Gajjar
20,185 PointsNo problem! Glad it helped. I always recommend seeing the videos again, just listening carefully and taking notes will help a lot. Taking slow is the best way.
Michael Cafin
iOS Development Techdegree Student 1,221 PointsThx for the tips Dhanish. Glad you confirm most of my study techniques.
I definitely will see the videos again which is something I have not done yet (and perhaps update my notes!)