The Letter Mapper
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
We're checking whether two equal-length strings share the same structure: return True if s can be turned into t by replacing each of its characters with a fixed substitute, applied consistently across the whole string.
Summary
A consistent substitution, or not.
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