The Number Miner
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
- L3
Interview Prompt
Given a list of JSON strings, parse each and recursively extract every integer value (not float, not boolean). Return a dict mapping each distinct integer (as string key in output) to its total count across all parsed strings.
Summary
JSON strings are hiding numeric secrets - dig them out.
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