The Step Counter
A easy Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- easy
- Seniority
- L3
Interview Prompt
Given non-negative integer n, return the number of distinct ways to climb n stairs taking 1 or 2 steps at a time. (Fibonacci-like.)
Summary
You can hop one step or two - how many ways to reach the top?
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