# Given records = [('a', 1), ('b', 2), ('a', 3), ('b', 4), ('a', 5)], group values by key into a dict

Canonical URL: <https://datadriven.io/problems/given-records-a-1-b-2-a-3-b-4-a-680f8be6>

Domain: Python · Difficulty: medium

## Problem

Given records = [('a', 1), ('b', 2), ('a', 3), ('b', 4), ('a', 5)], group values by key into a dict of lists using setdefault. Print the dict with keys in sorted order.

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