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A easy Python interview practice problem on DataDriven. Write and execute real python code with instant grading.
- Domain
- Python
- Difficulty
- easy
- Seniority
- staff
Problem
The scoring engine in our sandboxed execution environment needs a custom max function. Write a function that finds and returns the maximum value in a list of numbers without the built-in max(). Return None if the list is empty.
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.