let fontSize = 14
let fontFamily = "Arial"
let style1 = #"font-size: \#(fontSize);font-family: "\#(fontFamily)""#
//style1 is "font-size: 14;font-family: "Arial""
let style2 = "font-size: \(Double(fontSize)*0.5);"
//style2 is "font-size: 7.0;"
print("style1 is \(style1)")
print("style2 is \(style2)")