The Chain Builder
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
- L3
Interview Prompt
Implement a singly linked list via an operations list. Operations: ['insert', val] appends val to the end, ['find', val] returns True if val is in the list else False. Return a parallel list of return values: None for insert, True/False for find.
Summary
Links connect in sequence - build the chain from scratch.
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