Dictionary printing results backwards

Question

In the video tutorial:

Quick unscripted tutorial introduction to apple Swift progrqmming language in 16 minutes http://youtu.be/3tZig9AWMdc?t=9m10s

I did t

Answer 1

You are missing nothing.

Dictionary is unordered collection.

From the docs:

Swift’s Dictionary type is an unordered collection. The order in which keys, values, and key-value pairs are retrieved when iterating over a dictionary is not specified.