The Schedule Cleaner
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 [start, end] intervals, merge any overlapping or touching intervals and return the merged list sorted by start ascending. Intervals that share an endpoint count as overlapping (e.g., [1,3] and [3,5] merge to [1,5]).
Summary
Overlapping sessions. One clean line.
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