The Priority Queue
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
You're putting an HR export into a stable reporting order: a list of `records`, each a dict carrying the same fields, plus an ordered list of field names `keys`. Return a new list sorted ascending by the first key, breaking ties with the next key, and so on down the list.
Summary
When two things tie, something has to break the deadlock.
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