Birds of a Feather
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
An ingestion step hands you a list of record dicts in `records` and the name of a field in `key`. Return a dict mapping each value found under that field to the records that carry it.
Summary
Every record finds its kin; keep them in the order they arrived.
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