"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-05 21:18:38.618220
"""

```python
from typing import Any, Callable


class FallbackExecutor:
    """
    A class that attempts to execute a task and provides a fallback mechanism if an error occurs.
    
    Attributes:
        task: The primary function to attempt execution on.
        fallback: The function to be executed as a fallback in case the `task` fails.
    
    Methods:
        run: Attempts to execute the `task`. If it fails, the `fallback` is called instead.
    """

    def __init__(self, task: Callable[[], Any], fallback: Callable[[], Any]):
        self.task = task
        self.fallback = fallback

    def run(self) -> None:
        """
        Attempts to execute the primary `task`. If an error occurs during execution of `task`,
        the `fallback` function is executed.
        
        :return: None
        """
        try:
            result = self.task()
            if result is not None:
                print(f"Task succeeded with result: {result}")
        except Exception as e:
            print(f"Task failed: {e}. Running fallback...")
            self.fallback()


# Example usage
def primary_task() -> int:
    """A sample task that returns an integer value."""
    return 42


def fallback_task() -> str:
    """A sample fallback task that returns a string message."""
    return "Fallback executed successfully."


if __name__ == "__main__":
    executor = FallbackExecutor(primary_task, fallback_task)
    # Normally this would be called in the context of your application logic
    executor.run()
```