Swift 4

Question

What is SWIFT 4. Lets talk about how to make an input box.
https://code.sololearn.com/c2wRrmSAT8ZJ/?ref=app

Answer 1

https://developer.apple.com/swift/
https://www.simplifiedios.net/ios-dialog-box-with-input/

Answer 2

https://www.sololearn.com/post/792046/?ref=app

Answer 3

It's version 4 of the language.