I need help on challenge task 2 of 2, What is a Dictionary?

Question

I need help on challenge task 2 of 2: How do I assign the value for key "UK" to a constant named ukCurrency?

I wrote this: let ukCurrency = ["UK"] but i got wrong answer.

all together is:

Answer 1 · 2014-10-22T16:03:52Z

October 22, 2014 4:03pm

Here is your dictionary:

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

To access an item in a dictionary you use the key instead of the position, for example:

println(currencies["UK"])

This would print "Pound", because it is located at the "UK" index. So to assign "Pound" to ukCurrency you would need to do this:

let ukCurrency = currencies["UK"]

That assigns "Pound" to ukCurrency which is what the quiz wanted you to do.

Answer 2 · 2014-10-22T16:02:58Z

October 22, 2014 4:02pm

You need to specify the dictionary as well, not only the key.

This is what it should look like:

let ukCurrency = currencies["UK"]

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