old_contents: import media
  
  guardians_galaxy = media.Movie("Guardians of the Galaxy",
                                  "Awesome space raccoon shooting shit",
                                  "http://cdn.collider.com/wp-content/uploads/guardians-of-the-galaxy-poster-star-lord.jpg",
                                  "https://www.youtube.com/watch?v=6lVH3ogPE0w")
  
  print(guardians_galaxy.storyline)
  
new_contents: import media
  
  guardians_galaxy = media.Movie("Guardians of the Galaxy",
                                  "Awesome space raccoon shooting shit",
                                  "http://cdn.collider.com/wp-content/uploads/guardians-of-the-galaxy-poster-star-lord.jpg",
                                  "https://www.youtube.com/watch?v=6lVH3ogPE0w")
  
  print(guardians_galaxy.storyline)
  
  avatar = media.Movie("Avatar",
                      "Naked blue aliens, being all hippy",
                      "http://www.goldposter.com/wp-content/uploads/2015/05/Avatar_poster_goldposter_com_56.jpg",
                      "https://www.youtube.com/watch?v=cRdxXPV9GNQ")
  print(avatar.storyline)
  
subject: create more instances of custom class