09_book_titles

gistfile1.rb

class Book
	attr_accessor :title

	def title= (title)
		do_not_capitalize = %w{the and a an in of}
		answer = []
		title.split(' ').each do |word|
			do_not_capitalize.include?(word) ? word = word.downcase : word = word.capitalize
			word == "i" ? word = word.capitalize : word
			answer << word
		end
		answer[0] = answer[0].capitalize
		@title = answer.join(' ')
	end

end