The Repeat Review

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

Domain

Python

Difficulty

medium

Seniority

L3

Problem

Our reviews feed maps each store location to the phrases customers left there. Find the phrase with the widest reach: the one that turns up in the most distinct stores, counting a phrase once per store however many times that store's customers repeated it.

Summary

The echo came back.

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