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The Hash Stamper

A easy Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain
Python
Difficulty
easy
Seniority
junior, mid

Interview Prompt

A user provisioning system needs to generate deterministic tokens from seed values for password initialization. Given a seed string and a desired length, return the first `length` characters of the SHA-256 hex digest of the seed. Use Python's built-in hashlib module.

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