Use defaultdict(list) to group these pairs by the first element: ('a', 1), ('b', 2), ('a', 3), ('b',

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

Domain

Python

Difficulty

medium

Problem

Use defaultdict(list) to group these pairs by the first element: ('a', 1), ('b', 2), ('a', 3), ('b', 4), ('c', 5). Print the grouped result as a regular dict with sorted keys.

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