Define add_item(item, items=None) that creates a new list if items is None, appends item, and return
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
Define add_item(item, items=None) that creates a new list if items is None, appends item, and returns the list. Print add_item("a"), then print add_item("b") to show each call gets a fresh list.
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