Medium

07. Variable Scope, Default Arguments & Recursion

Problem Objective

Write a recursive function factorial(n: int) -> int with base case n <= 1 => 1.

Expected Terminal OutputStandard Out

Factorial 5: 120

[✓] Recursive stack verified (Time: 0.012s, Memory: 13.9 MB)

Execution Constraints

Implementation Checklist

Check base case n <= 1Recursive call n * factorial(n - 1)Test with n = 5

solution.pypython3 (CPython 3.12)

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