语法错误，意外的$end, expect kEND (SyntaxError) from -e:1。

class Movie

class Playlist
  def initialize(name)
    @name = name
    @movies = []
  end

  def add_movie(movie)
    @movies << movie
  end

  def play
    puts "#{@name}'s playlist:"
    puts @movies

    @movies.each do |movie|
      movie.thumbs_up
      puts movie
    end
  end
end

movie1 = Movie.new("Pride")
movie2 = Movie.new("Heaven")
movie3 = Movie.new("While")

playlist1 = Playlist.new("Brenda")
playlist1.add_movie(movie1)
playlist1.add_movie(movie2)
playlist1.add_movie(movie3)
playlist1.play
class Movie

class Playlist
  def initialize(na