Remove trailing zero's from Double swift iOS

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Solution:

 If you had an output that contains 0.1 it will return 0.1.If it was 1.0 it will return 1.If it was 1.1 it return 1.1

func forTrailingZero(temp: Double) -> String {
    var roundDouble = String(format: "%g", temp)
    return roundDouble
}

Function Call:

 Var doub = 3.0

forTrailingZero(doub)   //3

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