NIELIT O Level Exam

<p>What will be the output of the following Python code snippet?</p> <pre><font color="#333333">a={1:"A",2:"B",3:"C"}<br></font><font color="#333333">a.setdefault(4,"D")&nbsp;<br></font><font color="#333333">print(a)</font></pre><div><br></div>

What will be the output of the following Python code snippet?

a={1:"A",2:"B",3:"C"}
a.setdefault(4,"D") 
print(a)


निम्नलिखित Python कोड स्निपेट का आउटपुट क्या होगा?

a={1:"A",2:"B",3:"C"}
a.setdefault(4,"D") 
print(a)

A. {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’}

B. None कोई नहीं

C. Error एरर

D. [1,3,6,10]




Correct Answer is :

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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