swift random number letter code example
Example: random string swift
func randomString(of length: Int) -> String {
let letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
var s = ""
for _ in 0 ..< length {
s.append(letters.randomElement()!)
}
return s
}