text: import webbrowser
  
  class Movie():
  	""" This class provides a way to store movie related information """
  	VALID_RATINGS = ["G","PG","M","R"]
  
  	def __init__(self,movie_title,movie_storyline,poster_image,trailer_youtube):
  		self.title = movie_title
  		self.storyline = movie_storyline
  		self.poster_image_url = poster_image
  		self.trailer_youtube_url = trailer_youtube
  
  	def show_trailer(self):
  		webbrowser.open(self.trailer_youtube_url)