code for @belac_

directors_list.py

# Build a dictionary containing the specified movie collection
movie_dict = {
        '2005' : [('Munich', 'Steven Speilberg')],
        '2006' : [('The Prestige', 'Christopher Nolan'), ('The Departed', 'Martin Scorsese')],
        '2007' : [('Into the Wild', 'Sean Penn')],
        '2008' : [('The Dark Knight', 'Christopher Nolan')],
        '2009' : [('Mary and Max', 'Adam Elliot')],
        '2010' : [('The King\'s Speech', 'Tom Hooper')],
        '2011' : [('The Artist', 'Michel Hazanavicius'), ('The Help', 'Tate Taylor')],
        '2012' : [('Argo', 'Ben Affleck')],
        '2013' : [('12 Years a Slave', 'Steve McQueen')],
        '2014' : [('Birdman', 'Alejandro G. Inarritu')],
        '2015' : [('Spotlight', 'Tom McCarthy')],
        '2016' : [('The BFG', 'Steven Speilberg')],
    }

directors_list = {}
for year_i in movie_dict:
    year = movie_dict.get(year_i)
    for movie in year:
        director = movie[1]
        if director in directors_list:
            directors_film = (year_i, movie[0])
            directors_list[director].insert(0, directors_film)
            directors_list[director] = sorted(directors_list[director], key=lambda tup: tup[0])
        else:
            directors_list[director] = []
            directors_film = (year_i, movie[0])
            directors_list[director].insert(0, directors_film)

print(directors_list)