Loading interview...
The Email Ranker
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
- junior, mid, senior
Interview Prompt
The growth team wants to rank users by email activity to identify power users. Given email activity records (dicts with 'user_id' and 'action'), rank all users by total activity count descending. Break ties alphabetically by user_id. Return a list of dicts with 'user_id', 'activity_count', and 'rank' using dense ranking.
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