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Mr. Dubey • 51.17K Points
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Q.) ,"D") print(a)

(A) {1: ‘a’, 2: ‘b’, 3: ‘c’, 4: ‘d’}
(B) none
(C) error
(D) [1,3,6,10]
Correct answer : Option (A) - {1: ‘a’, 2: ‘b’, 3: ‘c’, 4: ‘d’}

Explanation: 
 setdefault() will set dict[key]=default if key is not already in the dictionary.

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