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The Molecule Report

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
mid, senior

Interview Prompt

You are given a DNA sequence as a string. Return a summary dict containing the count of each nucleotide base, the GC content as a float percentage, the most commonly occurring two-character subsequence, and a boolean indicating whether the sequence contains only valid nucleotide characters.

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