The Narrow Lens
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
- L5
Interview Prompt
Given positive integer window_size and a list of numeric values, return a list of the same length where position i is the average of the last min(i+1, window_size) values up to and including index i.
Summary
A narrow timeframe. Everything inside matters.
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