[3pt] Team member #3 - Task 3 - Implement Methods in Author & Game Class

[Claudia P. R. Soto]

• Implement methods:

1. add_item method in the Author class

• Should take an instance of the Item class as an input
• Should add the input item to the collection of items
• Should add self as a property of the item object (by using the correct setter from the item object)

1. can_be_archived?() in the Game class

• Should override the method from the parent class
• Should return true if the parent's method returns true AND if last_played_at is older than 2 years
• Otherwise, it should return false