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The Letter Frequency 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
L3

Interview Prompt

Given a string, return a dict mapping each distinct character (including spaces and punctuation) to its count.

Summary

Count every character in the string and report the results.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your python solution with real code execution
  4. Get instant feedback and a hire/no-hire decision

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