The Deep Unpacker
An easy 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
- easy
- Seniority
- L3
Interview Prompt
A product catalog exports its category tree as a list nested to any depth, where each element is either an integer category ID or another list. Return all of the IDs as one flat list.
Summary
Boxes inside boxes. Eventually you reach the bottom.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write and run your Python against test cases
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision