Python-Quizzes | Python Sets Quiz | Question 4

Question 4: What is the output of the following program?

set1 = {1, 2, 3}
set2 = set1.add(4)
print(set2)

(A) {1, 2, 3, 4}
(B) {1, 2, 3}
(C) Invalid Syntax
(D) None

Answer: (D)
Explanation: The add method doesn’t return anything. Hence there will be no output.
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