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The Rolling Window

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

Write a function that computes the moving average of a list of numbers with a sliding window of size k. Return a list of averages, one for each complete window of k consecutive elements. Round each average to 2 decimal places.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your python solution with real code execution
  4. Get instant feedback and a hire/no-hire decision