Given records = [('a', 1), ('b', 2), ('a', 3), ('b', 4), ('a', 5)], use collections.defaultdict(list

A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain

Python

Difficulty

medium

Problem

Given records = [('a', 1), ('b', 2), ('a', 3), ('b', 4), ('a', 5)], use collections.defaultdict(list) to group values by key. Print the result sorted by key as a plain dict.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a real environment and grades it automatically.