Use a set called seen and a list called unique to deduplicate ids while preserving order
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
Use a set called seen and a list called unique to deduplicate ids while preserving order. Loop through ids: if an id is not in seen, add it to seen and append it to unique. Print the unique list, then its length.
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