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iOS Swift Basics (retired) Collections What is a Dictionary?

Posted by Michael Halt
Michael Halt
438 Points

I cannot understand what is being asked in the statement "Assign the Value for Key to a constant named ukCurrency.."???

I cannot understand what is being asked in the statement "Assign the Value for Key to a constant named ukCurrency.."???

dictionaries.swift 
let currencies = [ "US": "Dollar", "UK": "Pound", "JP": "Yen"]
let ukCurrency = ["Pound"]

1 Answer

Steve Hunter
Steve Hunter
57,712 Points
Steve Hunter
Steve Hunter
57,712 Points

I think you want something like:

let ukCurrency = currencies["UK"]

That defines a constant called the required name and pulls the value for that key from the dictionary and assigns it to that varialbe.

Hope that helps!

Steve.