Python-Quizzes | Python Dictionary Quiz | Question 23

Question 23:Find the output of the following program:

dictionary = {}
dictionary[1] = 1
dictionary['1'] = 2
dictionary[1] += 1

sum = 0
for k in dictionary:
    sum += dictionary[k]

print (sum)

(A) 4
(B) 3
(C) 2
(D) 1

Answer: (A)
Explanation: In the above dictionary, the key 1 enclosed between single quotes and only 1 represents two different keys as one of them is integer and other is string. So, the output of the program is 4.
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