This tutorial belongs to the Swift series

Suppose you have an array in Swift, like this:

let items = [1, 2, 3]

and you want to get a random number out of it.

The Array data type provides the randomElement() function that returns an Element?:

let item = items.randomElement()

Lessons in this unit:

0:	Introduction
1:	Arrays
2:	Shuffling Arrays
3:	▶︎ Random Array Items
4:	Dictionaries
5:	Sets
6:	Tuples