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 list of records carrying it, with each bucket keeping its records in the order they arrived.
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