Against the Grain
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 metrics export comes back as a `grid` of equal-length rows, one row per day and one column per metric. Reorient it so each metric's column becomes its own row.
Summary
Turn the grid on its side and let every column stand up as a row.
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