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The Consecutive Streak
A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.
- Domain
- Python
- Difficulty
- medium
- Seniority
- mid, senior
Problem
The retention team wants to badge 'power users' who show up day after day without missing a beat. Given the activity log, find which users were active for 3 or more consecutive days. Watch out for duplicate entries on the same day.
Practice This Problem
Solve this Python problem with real code execution. DataDriven runs your Python code in a sandboxed Docker environment and grades it instantly.