Holding the Center
A hard Python mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- Python
- Difficulty
- hard
- Seniority
- L5
Interview Prompt
A latency monitor emits a reading after every request, and a live dashboard refreshes the median of all readings seen so far each time one arrives. Given `stream`, the readings in arrival order, return the running median after each reading.
Summary
The middle value keeps moving as new data arrives.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write and run your Python against test cases
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision