Python Programming - Standard Libraries - Discussion

Discussion Forum : Standard Libraries - General Questions (Q.No. 88)
88.
What is the purpose of the collections.defaultdict class?
Creating a dictionary with default values for keys
Sorting elements in a list
Performing arithmetic operations on collections
Implementing priority queues
Answer: Option
Explanation:
from collections import defaultdict

# Example usage of collections.defaultdict
default_dict = defaultdict(int)
default_dict['a'] += 1
default_dict['b'] += 2
print(default_dict)
Discussion:
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