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iam unable to solve it please help me out
fairoze (2)

please help me to understand this challenge. How to solve this

Commentshotnewtop
SixBeeps (3004)

Your functions need both parameters and return types in their declarations. Instead of

func add() {
...
}

you need to do something like

func add(n1: Int, n2: Int) -> Int {
...
}