The Hostile Takeover

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

Domain

Python

Difficulty

medium

Seniority

L4

Problem

Given two dicts base and override, recursively merge: if a key exists in both AND both values are dicts, recurse. Otherwise override's value replaces base's value. Keys only in base are kept; keys only in override are added. Do not mutate inputs.

Summary

One dict eats another.

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