Please use Kotlin Playground or IDE or you choice to write code. Please populate with sample data to ensure that methods$/$functions work as expected. Once completed, please share your code with you instructor.

OOP

Design a set of Kotlin classes to represent a library system. One model should represent a Book whereas the other should be a Library class. See below for additional requirements:

Methods:

$$ addBook method that consume a Book and adds it List. The list should be editable

$$ removeBook method should have ability to remove a book by title

$$ displayAvailableBooks method should be able to printout all books and author in collection

Functional

Write $2$ functions with the following specifications:

$1.$ borrowBook function should mark a book as available$/$unavailable

$2.$ getAvailableBooksCountByAuthor function should return the number of books written bay a particular author.