ruby_book_author

ruby_book_author.rb

class Book
  attr_reader :title, :authors, :published_at

  def initialize(title, authors, published_at)
    @title = title
    @authors = authors
    @published_at = published_at
  end
end

class Author
  attr_reader :name

  def initialize(name)
    @name = name
  end
end

Imagine you have a collection of books. books.count = 200. Write ruby code to return:

1. author with the highest number of books
2. list of latest published books by author