[pre-commit.ci] auto fixes from pre-commit.com hooks

pre-commit-ci[bot] · pre-commit-ci[bot] · commit e9e3cdacea42 · 2025-07-15T14:05:02.000Z
for more information, see https://pre-commit.ci
diff --git a/dynamic_programming/factorial.py b/dynamic_programming/factorial.py
@@ -37,6 +37,8 @@ def factorial(num, _memo=None):
 
     return _memo[num]
 
+
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()
