Portfolio Profit Calculator
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
- L6
Interview Prompt
Given purchases (list of [date, shares] pairs) and prices (dict mapping date to price), compute total_cost = sum(shares * prices[date]) across purchases. Compute current_value = total_shares * latest_price where latest_price is prices for the latest date key (sorted). Return current_value - total_cost.
Summary
Portfolio gain from purchase history and current prices.
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