qobjects = [ { question: "Which statement is true about frozenset?", options: [ "It is a mutable set", "It is an immutable set", "It preserves insertion order" ], correct: 1 }, { question: "Which operation is valid on frozenset?", options: [ "add(1)", "remove(1)", "union({1,2})" ], correct: 2 }, { question: "What is the data type of a frozenset?", options: [ "set", "frozenset", "list" ], correct: 1 } ]