Use defaultdict(set) to track unique visitors per page: ('home', 'alice'), ('about', 'bob'), ('home'
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 defaultdict(set) to track unique visitors per page: ('home', 'alice'), ('about', 'bob'), ('home', 'bob'), ('home', 'alice'), ('about', 'alice'). Print each page and its sorted visitor count.
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