Character Occurrence Map
A easy Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- easy
- Seniority
- L5
Interview Prompt
Given a string, return a list of [character, count] pairs for each distinct alphabetic character. Treat case-insensitively (lowercase everything before counting). Sort the pairs alphabetically by character.
Summary
Character frequency as a map.
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