for in loop with random sequence in swift 5 code example

Example 1: swift generate random number

let randomInt = Int.random(in: 0..<6)
let randomDouble = Double.random(in: 2.71828...3.14159)
let randomBool = Bool.random()

Example 2: random number swift

let randInt = Int.random(in: 0...100)

// The range can be a closed (a...b) or half open (a..<b) range.