The Perfect Match
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
- Seniority
- L4
Interview Prompt
Given a list of integers and an integer target, find all unique pairs whose elements sum to the target. Each pair is a 2-element list [a, b] with a <= b. Return the list of pairs sorted lexicographically (by a, then b). Each pair appears at most once even if multiple instances exist in the input.
Summary
Two numbers walk into an interview...
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