Question 25:Find the output of the following program:
counter = {}
def addToCounter(country):
if country in counter:
counter[country] += 1
else:
counter[country] = 1
addToCounter('China')
addToCounter('Japan')
addToCounter('china')
print (len(counter))
|
(A) 0
(B) 1
(C) 2
(D) 3
Answer: (D)
Explanation: The task of “len” function is to return the number of keys in a dictionary. Here 3 keys are added to the dictionary “country” using the “addToCounter” function. The keys to a dictionary are case sensitive.
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Last Updated :
17 Sep, 2020
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