Exercise

Categorical data validation

What expression asserts that the distinct Nobel Prize categories cataloged by the "prizes" collection are the same as those cataloged by the "laureates"? Remember to explore example documents in the console via e.g. db.prizes.find_one() and db.laureates.find_one().

Instructions

50 XP

Possible answers

assert db.prizes.distinct("category") == db.laureates.distinct("prizes.category")

assert db.prizes.distinct("laureates.category") == db.laureates.distinct("prizes.category")

assert set(db.prizes.distinct("category")) == set(db.laureates.distinct("prizes.category"))