import webbrowser
class Movie():
	'''This class provides a way to store movie related informations'''
	VALID_RATINGS = ['A', 'B', 'C', 'D']
	def __init__(self, movie_title, movie_storyline, poster_image, trailer_youtobe):
		self.title = movie_title
		self.storyline = movie_storyline
		self.poster_image_url = poster_image
		self.trailer_youtube_url = trailer_youtobe

	def show_trailer(self):
		webbrowser.open(self.trailer_youtube_url)
