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The Deep Dictionary

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

Domain
Python
Difficulty
easy
Seniority
staff

Problem

Our marketplace ranking algorithm prioritizes listings with the most reviews. Write a function called most_reviewed that takes a dictionary mapping names to lists of review scores, and returns the name with the highest review count.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a sandboxed Docker environment and grades it instantly.