Is the given sequence of statements valid in Swift?

What is a property wrapper?

What Swift data types support type methods?

What programming languages does LLVM compile and debug?

What feature in iOS allows UI design for all screen types?

What keyword is used in Swift to prevent a method, property, or subscript from being overridden?

What will be the output of the following piece of code:

func toReturn() -> String {

        return "This returns a string"

}

print(toReturn())

What will be the output of the following Swift code?

let name: String? = nil

if name! != nil {

 print(name!)

} else {

 print("No value in the variable")

}

What is the difference between a tuple of optional Int values and a tuple of Int? values?

What is the most important requirement for overriding a function in Swift?