old_contents: #!/usr/bin/env python
  
  # movie.py
  # This file defines the movie class in movie-trailer website.
  
  class movie():
      def __init__(self, title, youtube_trailer, storyline, poster_image):
          # the title of the movie
          self.title = title
          # the url to the trailer on youtube
          self.youtube_trailer = youtube_trailer
          # a brief storyline
          self.storyline = storyline
          # a poster image, preferrably in the original language
          self.poster_image = poster_image
  
new_contents: #!/usr/bin/env python
  
  # movie.py
  # This file defines the movie class in movie-trailer website.
  
  class movie():
      # the class for storing information of movies
      # all values are strings
      def __init__(self, title, youtube_trailer, storyline, poster_image):
          # the title of the movie
          self.title = title
          # the url to the trailer on youtube
          self.youtube_trailer = youtube_trailer
          # a brief storyline
          self.storyline = storyline
          # url to a poster image, preferrably in the original language
          self.poster_image = poster_image
  
subject: update comments for movie.py