var myOptional: Any? // any can be replaced with whatever type you need
// Optional values are types that can contain nil
var optionalValue: String? // this can be done with more than strings, but for this example that's what was used
let someValue = Int()
print(someValue)
var someValue:Int?
var someAnotherValue:Int!
print(someValue)
print(someAnotherValue)