>><\/span> shelf<\/span> =<\/span> MovieShelf<\/span>.<\/span>new<\/span><\/div>=><\/span> #<MovieShelf:0x36eb88 @movies=[]><\/span><\/div>>><\/span> m<\/span> =<\/span> Movie<\/span>.<\/span>new<\/span><\/div>=><\/span> #<Movie:0x33b328><\/span><\/div>>><\/span> m<\/span>.<\/span>title<\/span> =<\/span> "Juno"<\/span><\/div>=><\/span> "Juno"<\/span><\/div>>><\/span> m2<\/span> =<\/span> Movie<\/span>.<\/span>new<\/span><\/div>=><\/span> #<Movie:0x39968><\/span><\/div>>><\/span> m2<\/span>.<\/span>title<\/span> =<\/span> "Transformers"<\/span><\/div>=><\/span> "Transformers"<\/span><\/div>>><\/span> shelf<\/span>.<\/span>movies<\/span> <<<\/span> m<\/span><\/div>=><\/span> [<\/span>#<Movie:0x33b328 @title="Juno">]<\/span><\/div>>><\/span> shelf<\/span>.<\/span>movies<\/span> <<<\/span> m2<\/span><\/div>=><\/span> [<\/span>#<Movie:0x33b328 @title="Juno">, #<Movie:0x39968 @title="Transformers">]<\/span><\/div>>><\/span> shelf<\/span>.<\/span>list<\/span><\/div>Juno<\/span><\/div>Transformers<\/span><\/div>=><\/span> [<\/span>#<Movie:0x33b328 @title="Juno">, #<Movie:0x39968 @title="Transformers">]<\/span><\/div>>><\/span> shelf<\/span>.<\/span>lookup<\/span> m2<\/span><\/div>=><\/span> #<Movie:0x39968 @title="Transformers"><\/span><\/div>>><\/span> shelf<\/span>.<\/span>movies<\/span>.<\/span>delete<\/span> m2<\/span><\/div>=><\/span> #<Movie:0x39968 @title="Transformers"><\/span><\/div>>><\/span> shelf<\/span>.<\/span>list<\/span><\/div>Juno<\/span><\/div>=><\/span> [<\/span>#<Movie:0x33b328 @title="Juno">]<\/span><\/div><\/pre><\/div>\n \n <\/div>\n\n