This content was released on Oct 3 2017. The official support period is 6-months from this date.
As your app grows in size and complexity, you'll want to keep it organized. In this video, you'll learn what it means to refactor your code.
This is a companion discussion topic for the original entry at https://www.kodeco.com/4284-your-second-swift-4-ios-11-app/lessons/19