The Lazy Unpacker
A medium Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- medium
- Seniority
- L4
Interview Prompt
Given a list nested to arbitrary depth, implement a generator (or equivalent) that yields each non-list leaf value in order. The test harness collects the results into a list.
Summary
Instead of loading it all at once, yield it one piece at a time.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your python solution with real code execution
- Get instant feedback and a hire/no-hire decision