The application should manage a queue of people.
- It will prompt the user for a new name by printing :.
- The user can type in a name and press ENTER.
- The app will add the name to the queue.
- If the user types in "n" then the application will print the first name in the queue.
A sample interaction will look like this:
: Foo : Bar : Moo : n next is Foo : n next is Bar : Peter : n next is Moo : n next is Peter : n the queue is empty