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Qus: <p>What will be the output of the following Python code snippet?</p><pre>test = {1:'A', 2:'B', 3:'C'}<br>del test[1]<br>test[1] = 'D'<br>del test[2]<br>print(len(test))</pre>

Qus<p>निम्नलिखित Python कोड स्निपेट का आउटपुट क्या होगा?</p><pre style="font-size: 12.6px; letter-spacing: 0.14px;">test = {1:'A', 2:'B', 3:'C'}<br>del test[1]<br>test[1] = 'D'<br>del test[2]<br>print(len(test))</pre>


A. 0
B. 2
C. Error as the key-value pair of 1:’A’ is already deleted
D. 1


Solution
B. 2



Explanation
After the key-value pair of 1:’A’ is deleted, the key-value pair of 1:’D’ is added.
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