The Letter Ledger
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
- L4
Interview Prompt
Implement CharFrequency(s) with method get_counts() returning a list of [char, count] pairs for distinct characters in s, sorted alphabetically. Ignore spaces. Test harness constructs the class and calls .get_counts().
Summary
Every character has a count to answer for.
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