The Path Inward

A medium Python mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.

Domain
Python
Difficulty
medium
Seniority
L4

Interview Prompt

A service config nests sections inside sections, and `config` holds one such tree. Given `path`, a list of keys naming a single setting's route from the top level inward, return that setting's value.

Summary

Every setting hides a few levels down. Follow the route, or come back empty.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write and run your Python against test cases
  4. Answer the interviewer's follow-up questions, then get a hire or no-hire decision