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

Matt George
Matt George
2,507 Points

Let's create a dictionary that contains the currencies of the various countries along with their country codes. The coun


let currencies ["US": "Dollar"; "UK"; "Pound"; "JP": "Yen"]

1 Answer

Hi Matt, you made a tiny mistake, you put ; except : between "UK" and "Pound"

this should be correct

let currencies ["US" : "Dollar"; "UK" : "Pound"; "JP" : "Yen"]
Matt George
Matt George
2,507 Points

Hey there Petar I copied your code and it still doesn't work :/

Hey Matt, now I see that you have more mistakes. I am sorry, I wasn't concentrate enough when I replayed first time.

Second mistake you made is that you don't have equal sign = between your constant and values in []

Like this:

let currencies = []

Third mistake is that you put semicolon after every "key" : "value" except comma ,

So this is correct answer

let currencies = ["US" : "Dollar", "UK" : "Pound", "JP" : "Yen"]

As you see you need to have a good concentration and sometimes mistakes are funny like this, but you can't see them immediately