Intermediate
Python
Q59 / 101
What does collections.defaultdict provide?
Correct! Well done.
Incorrect.
The correct answer is B) A dict that returns a default value for missing keys instead of raising KeyError
B
Correct Answer
A dict that returns a default value for missing keys instead of raising KeyError
Explanation
defaultdict(list) returns an empty list for missing keys. This avoids explicit key existence checks when building dicts of lists.
Progress
59/101