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The Short Address

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
mid, senior

Interview Prompt

Implement the encoding half of a URL shortener. Given a non-negative integer, encode it as a base-62 string using the character set 0-9, a-z, A-Z. The empty string is not a valid output - the integer 0 should encode to '0'. Return the encoded string.

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