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Write a recursive function factorial(n) that returns n

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

Interview Prompt

Write a recursive function factorial(n) that returns n! (n * factorial(n-1), base case: factorial(0) = 1). Print factorial(5) and factorial(0).

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

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