Write a function is_balanced(s) that uses a stack to check if parentheses are balanced
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
Write a function is_balanced(s) that uses a stack to check if parentheses are balanced. Test it with '(())', '(()', and '()()' and print each result (True/False).
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