17.11 Supersets and Subsets

Supersets and Subsets

A superset is a set that contains all elements that are in a given set. For example, here a is a superset of b:
a = {0, 1, 2, 3, 4} b = {0, 3} print(a.issuperset(b)) # prints True
A subset, on the other hand, is a set that is part of a given set. In the previous example, b is a subset of a:
a = {0, 1, 2, 3, 4} b = {0, 3} print(b.issubset(a)) # prints True
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Only Favorite Movies

Charles is going to the movie today and wants to figure out if all the movies played today are his favorite movies. Given a set containing the movies that are going to be played today and a set containing all his favorite movies, return True if all the movies played today are his favorite. Return False otherwise.
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