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The Quarter Turn

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

An image processing library needs to rotate square matrices 90 degrees clockwise in-place for display transformations. Write a function that takes an n x n matrix and rotates it 90 degrees clockwise in-place, returning the modified matrix.

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