Quality Gate
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
- L3
Interview Prompt
A sensor rig streams a batch of `readings`, and quality control needs the position of the first reading that slips out of spec, where in spec means strictly above zero. Return that index, or -1 when every reading passes and when the batch is empty.
Summary
Not everything passes inspection.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your python solution with real code execution
- Get instant feedback and a hire/no-hire decision