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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

dynamic_programming/use_effect_simulation.py

@@ -31,6 +31,7 @@ def use_effect_simulation(callback: Callable[[], None], dependency: Any) -> None
 
 
 if __name__ == "__main__":
+
     def example() -> None:
         """
         Example function to demonstrate the effect.