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iOS Swift Functions and Optionals Parameters and Tuples Tuples

How i do this?

Im been trying all but these challenge i cant do it someone can help me?

func greeting(person: String) -> (greeting:String,language:String)  {
    let language = "English"
    let greeting = "Hello \(person)"

    return (greeting,language)
var result(greetin,_) = greeting(person:"Tom")

2 Answers

func greeting(#person: String) -> (greeting: String, language: String) {
    let language = "English"
    let greeting = "Hello \(person)"

    return (greeting, language)
var result = greeting(person: "Tom")

thnk you so much for your answer but why you add a # in person string?