Two-fer or 2-fer is short for two for one. One for you and one for me.
"One for X, one for me."
When X is a name or "you".
If the given name is "Alice", the result should be "One for Alice, one for me." If no name is given, the result should be "One for you, one for me."
Go through the project setup instructions for Xcode using Swift:
http://exercism.io/languages/swift
https://en.wikipedia.org/wiki/Two-fer
It's possible to submit an incomplete solution so you can see how others have completed the exercise.