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

Paul Papagiannis
Paul Papagiannis
1,846 Points
Posted by Paul Papagiannis
Paul Papagiannis
1,846 Points

let currencies = ["US" : "Dollar", "UK" : "Pound", "JP" : "Yen"] let ukCurrency = ["UK"] is this not correct?

preview is not returning any details on my error.

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

2 Answers

Chris Shaw
Chris Shaw
26,676 Points
Chris Shaw
Chris Shaw
26,676 Points

Hi Paul,

You're very close, you simply aren't referencing the currencies dictionary which is required in order to get the value of the key UK.

let ukCurrency = currencies["UK"]

Happy coding!

Paul Papagiannis
Paul Papagiannis
1,846 Points
Paul Papagiannis
Paul Papagiannis
1,846 Points

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

Great thank you!