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The Order Enforcer

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

You need to validate that a process queue is properly ordered. Given a string of request codes, verify that the sequence respects a strict ordering rule: once a type-B request appears, no type-A request can follow it. Return True if the sequence is valid, False otherwise.

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