Cuerda rápida
// create string type variable
var language: String = "swift"
print(name)
// Output: swift
SAMER SAEID
// create string type variable
var language: String = "swift"
print(name)
// Output: swift
let name: String
// create string type variables
let name: String = "Swift"
print(name)
let message = "I love Swift."
print(message)