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Use 'is not None' to correctly detect that result=0 is a found value (not falsy-failed)

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

Use 'is not None' to correctly detect that result=0 is a found value (not falsy-failed). Repeat the check when result is 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

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