Introduction to Swift 9 - Arrays & Dictionaries

Today we covered Arrays and Dictionaries. We explained what an array is, how to insert an item to an array, print values at specific indexes, search an array for a word, and loop through an array.

We also discussed what a dictionary is, as well as the differences between an array and a dictionary. We learned how to update an existing value, add a new value, and also loop through a dictionary to get the keys and values.

In order to test out your knowledge on Arrays and Dictionaries, consider creating a dictionary of type [String: [String]] to hold names of people (as the keys), and an array of children (as the values). Whenever we want to see all the children that a person has, we should be able to do... people["emmanuel"], and get a response like ["Nduka", "Ihemjiere", "Grace"]. ... https://www.youtube.com/watch?v=akMYiMl6y4c