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Python-Quizzes | Python Sets Quiz | Question 3 
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Python-Quizzes | Python Sets Quiz | Question 3
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What is the output of the following program?
set1 = {1, 2, 3}
set2 = set1.copy()
set2.add(4)
print(set1)
{1, 2, 3, 4}
{1, 2, 3}
Invalid Syntax
Error
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