Loading interview...

The Rolling Peak

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 takes a list of numbers and an integer k. Return the maximum average of any contiguous subarray of length k, rounded to 5 decimal places. If the list is shorter than k, return None.

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