Rename Keys
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 record dict and a mapping dict (old_key -> new_key), return a new dict where keys listed in mapping are renamed to their new names. Keys not in the mapping pass through unchanged.
Summary
Old names out. New names in.
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