movies.rb

movies={
    "The Prestige" => 5,
    "Titanic" => 3
}

exists = false
puts 'Write "add" to insert a movies'
choice=gets.chomp     
case choice
when "add"
puts "Give me a title!"
title=gets.chomp
puts "Rate the movie"
rating=gets.chomp

movies.each do | movieTitle, movieRating |
	if movieTitle == title
		exists = true
	end
end

if !exists
	movies[title] = rating
	puts "Rating and name were added"
else
	puts "The movie already exists!"
end

puts movies

when "update"
puts "Updated!"
when "display"
puts "Movies!"
when "delete"
puts "Deleted!"
else
    puts "Error!"
end