iOS reading txt file

gistfile1.txt

    func printData(){
        
        guard let path = NSBundle.mainBundle().pathForResource("contacts", ofType: "txt") else {
            print("Error while reading data")
            return
        }
        
        do {
            let content = try String(contentsOfFile: path, encoding: NSUTF8StringEncoding)
            print(content)
//            return content
        } catch _  as NSError{
            return
        }
    }