NIELIT O Level Exam

If a={5,6,7}, what happens when a.add(5) is executed?

If a={5,6,7}, what happens when a.add(5) is executed?

यदि a = {5,6,7}, तो क्या होता है जब a.add (5) निष्पादित होता है?

A. a={5,5,6,7}

B. a={5,6,7}

C. Error as there is no add function for set data type एरर के रूप में सेट डेटा प्रकार के लिए कोई फ़ंक्शन नहीं है

D. Error as 5 already exists in the set 5 के रूप में एरर पहले से ही सेट में मौजूद है




Correct Answer is :

B. a={5,6,7}



Explanation
There exists add method for set data type. However 5 isn’t added again as set consists of only non-duplicate elements and 5 already exists in the set. Execute in python shell to verify.
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