Use defaultdict(list) to group the records list by department

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 the records list by department. Each record is a tuple of (name, dept). Print each department and its list of names in sorted department order, formatted as 'dept: [names]'.

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