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The Depth of Field

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
junior, mid

Interview Prompt

A configuration parser needs to flatten nested data structures to a controlled depth for serialization. Write a function that takes a nested list and a depth integer, and returns a flattened list. Elements nested deeper than the specified depth are left as-is as sublists.

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