First Contact
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
A stream of event-type names comes off the message bus, and you want them filed into families by the letter they start with. Group `events` by their first character into a dict, keeping each group in the order the names arrived.
Summary
Everything that begins alike belongs together.
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