movie_dicts = [{'title': 'A Boy and His Dog', 'year': 1975, 'rating': 6.6},
    {'title': 'Ran', 'year': 1985, 'rating': 8.3}, {'title': 'True Grit',
    'year': 2010, 'rating': 8.0}, {'title': 'Scanners', 'year': 1981,
    'rating': 6.7}]
List comprehension to extract a list of tuples from dictionary