gistfile1.rb

books = {
	Wheel_of_Time: 6,
	Mistborn: 5,
	Alchemist: 7,

}

puts "What would you like to do? Options: (add) (update) (delete) (list)"

    choice = gets.chomp 

    case choise 

    when "add" 
    	puts "What book would you like to add to your hash?"
    	title = gets.chomp
    if book[title.to_sym] = .nil? 
    	puts "What rating do you give this book? (Between 1 and 10)"
    	rating = gets.chomp
    	books [title.to_sym] = rating.to_i
    	puts "#{title} has been added to your hash with a rating of #{rating}"
    else puts "That book is already in your hash"

    end

puts books