Get json string from array iOS swift

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 Solution:

func jsonStringFromArray(array:NSArray) -> String {

    var str = ""

    do {

        //Convert to Data

        let jsonData = try JSONSerialization.data(withJSONObject: array, options: JSONSerialization.WritingOptions.prettyPrinted)

        

        if let JSONString = String(data: jsonData, encoding: String.Encoding.utf8) {

            str = JSONString

        }

        

        var json = try JSONSerialization.jsonObject(with: jsonData, options: JSONSerialization.ReadingOptions.mutableContainers) as? [String: Any]

    } catch {

        print(error)

    }

    return str

}

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