Watch the video for any commentary. Here are two answers. There a lot of possible ones.
Answer 1
func blueColor(blueVal:Int) -> UIColor { let color = CGFloat(CGFloat(blueVal) / 255.0) return UIColor(red: 0.0, green: 0.0, blue: color, alpha: 1.0) } blueColor(255) blueColor(23) blueColor(128)
Answer 2
//necessary code to run the answer func pizzaArea(z:Double) ->Double { //area of pizza : pi * z * z = a let pi = 3.14159265358 return pi * z * z } func deepDishVolume(diameter:Double,height:Double){ let radius = diameter * 0.5 let area = pizzaArea(radius) let volume = area * height println(radius,area,height) } deepDishVolume(13, 2)
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