DataDriven
LearnPracticeInterviewDiscussDailyJobs

Write a function safe_max(numbers) that returns the largest number in a list, or None if the list is

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

Interview Prompt

Write a function safe_max(numbers) that returns the largest number in a list, or None if the list is empty. Test it by calling it with an empty list, a single-element list [42], and [3, 1, 9, 4]. Print each result on its own line.

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

Related

  • All Mock Interviews
  • Practice Mode (untimed)
  • Python Interview Questions
  • Data Engineering Interview Prep Guide
  • Practice Problems
  • Daily Challenge