InitConversion.swift

let pi: Double = 3.14159
let fpi: Float = 3.14159
let x = Int(pi) // 3
let dpi = Double(pi)
let dgf = CGFloat(pi)

let array = Array("abc") // array = ["a", "b", "c"]
let string = String(["a", "b", "c", "d"]) // string = "abcd"

let intConvert = String(44) // let's try String(37.5)
let floatConvert = "\(37.5)"