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Flatten the Nest

A easy Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain
Python
Difficulty
easy
Seniority
L5

Interview Prompt

Given a list containing integers and/or one-level-nested lists of integers, return a flat list of all integers in order.

Summary

Mixed nesting. One flat list out.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your python solution with real code execution
  4. Get instant feedback and a hire/no-hire decision

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