Corner to Corner
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
A square 2D matrix comes back from a tabular export: n rows, n columns, integer cells. Return the values running along the main diagonal, from the top-left corner to the bottom-right. An empty matrix returns an empty list.
Summary
Not every value sits in a row or column.
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