Class definition
Adds properties to hold current item index and a list to hold items.
Adds method to get current item.
Adds methods to next and previous item.
Wraps around the play list on next and prev.
Script to run JukeBox.
Creates Worker class.
Adds worker attributes :name, :age, :test_scores, and :gender.
Creates module Address.
Adds attributes :country, :city, :zipcode
Worker class includes Address module.
Adds attribute :scores and method test_scores() to assign :scores.
isEligibleToBeCloudworker(): Checks worker's eligibility to be a cloud worker.
Script demonstrating use of Worker class.