# current movies variable defined here 
current_movies = {'The Grinch': '11:00am', 'Rudolph': '1:00pm', 'Frosty the Snowman': '3:00am', 'Christmas Vacation':'5:00pm'}

print ("We're showing the following movies:")
for key in current_movies: 
    print (key)

movie = input ('What movie would you like the showtime for?\n')

showtime = current_movies.get(movie)
if showtime == None:
    print ("This movie isn't playing")
    
else:
    print (movie, "is playing at", showtime)