# Group the items by category using dict.setdefault()

Canonical URL: <https://datadriven.io/problems/group-the-items-by-category-using-dictsetdefault-then-pr-17de7cd1>

Domain: Python · Difficulty: medium

## Problem

Group the items by category using dict.setdefault(). Then print each category and its items, sorted by category name.

Format each line as: category: [items]

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