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The Online Elite
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
- mid, senior
Interview Prompt
You are given two datasets: merchants and payment transactions. Filter to online transactions only, join to merchants, rank merchants by total payment volume, and return the average transaction value across all payments made to the top N merchants.
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