Familiar Faces
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
We're auditing a production log of integer event codes, and we need to know how often the same code recurs. Return the number of position pairs that hold the same code.
Summary
The same signals keep coming back. Count how often they meet.
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