"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 06:05:16.948961
"""

```python
from typing import Callable, Any, Optional


class FallbackExecutor:
    """
    A class for executing a function with fallback behavior in case of failure.

    :param func: The main callable to execute.
    :param fallback_func: The fallback callable to execute if `func` fails.
    """

    def __init__(self, func: Callable[..., Any], fallback_func: Optional[Callable[..., Any]] = None):
        self.func = func
        self.fallback_func = fallback_func

    def execute(self) -> Any:
        """
        Execute the main function. If an exception occurs, attempt to execute the fallback function.
        :return: The result of the executed function or fallback function if applicable.
        """
        try:
            return self.func()
        except Exception as e:
            print(f"An error occurred while executing {self.func}: {e}")
            if self.fallback_func is not None:
                return self.fallback_func()
            else:
                raise

    def __call__(self, *args: Any, **kwargs: Any) -> Any:
        """
        Allow the instance to be called like a function.
        :param args: Arguments for `func`.
        :param kwargs: Keyword arguments for `func`.
        :return: The result of executing `func` or `fallback_func`.
        """
        try:
            return self.func(*args, **kwargs)
        except Exception as e:
            print(f"An error occurred while executing {self.func.__name__}: {e}")
            if self.fallback_func is not None:
                return self.fallback_func(*args, **kwargs)
            else:
                raise


# Example usage
def main_function() -> int:
    """
    A function that may fail.
    :return: 42 (for demonstration purposes).
    """
    # Simulate a failure for demonstration
    try:
        result = 1 / 0
    except ZeroDivisionError:
        print("Division by zero error")
        return -1
    else:
        return result


def fallback_function() -> int:
    """
    A fallback function to execute if the main function fails.
    :return: 57 (for demonstration purposes).
    """
    return 57


if __name__ == "__main__":
    # Create an instance of FallbackExecutor
    executor = FallbackExecutor(main_function, fallback_func=fallback_function)

    print("Executing with no error:")
    result = executor.execute()
    print(f"Result: {result}")

    print("\nExecuting with an error (Division by zero):")
    result_with_error = executor.execute()

    print(f"Result with fallback function: {result_with_error}")
```