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Select the correct answerWhat will be the output of the following Python code?import collectionsct=dict()ct=collections.defaultdict(int)print(ct[2])Options1An exception is thrown0‘ ‘

Question

Select the correct answerWhat will be the output of the following Python code?import collectionsct=dict()ct=collections.defaultdict(int)print(ct[2])Options1An exception is thrown0‘ ‘

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Solution

The correct answer is 0.

Here's why:

The Python code is using a defaultdict from the collections module. A defaultdict works exactly like a normal dict, but it is initialized with a function (“default factory”) that takes no arguments and provides the default value for a nonexistent key.

In this case, the default factory is int, which returns 0 if called with no arguments. So when you try to access the value of a key that does not exist in the dictionary (like ct[2]), it will return the default value, which is 0.

This problem has been solved

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