The Trip Aggregator
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
- L3
Interview Prompt
Given a list of trip dicts (each with user_id, destination, duration_hours), per user_id return user_id, total_hours = SUM(duration_hours), unique_destinations = count of distinct destinations. Return a list of dicts sorted alphabetically by user_id.
Summary
Travel records hold patterns waiting to be surfaced.
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