"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 22:01:37.731297
"""

```python
from typing import Any, Callable


class FallbackExecutor:
    """
    A class to handle function execution with fallback options in case of errors.
    
    Attributes:
        default_function: The primary function to be executed.
        fallback_function: The secondary function that acts as a backup if the primary fails.
        error_handler: Optional callback for custom error handling logic.

    Methods:
        execute: Attempts to execute `default_function`, and falls back to `fallback_function` on error.
    """
    
    def __init__(self, default_function: Callable[..., Any], fallback_function: Callable[..., Any],
                 error_handler: Callable[[Exception], None] = None):
        self.default_function = default_function
        self.fallback_function = fallback_function
        self.error_handler = error_handler
    
    def execute(self) -> Any:
        try:
            return self.default_function()
        except Exception as e:
            if self.error_handler:
                self.error_handler(e)
            return self.fallback_function()


# Example usage

def main_function() -> int:
    """Main function that may fail."""
    raise ValueError("Simulated error")
    return 42


def fallback_function() -> int:
    """Fallback function to handle errors."""
    print("Falling back with a default value.")
    return 0


def custom_error_handler(exc: Exception) -> None:
    """Custom handler for logging or other actions upon exception."""
    print(f"Error caught and handled: {exc}")


# Create an instance of FallbackExecutor
executor = FallbackExecutor(default_function=main_function, fallback_function=fallback_function,
                            error_handler=custom_error_handler)

# Execute the functions with fallback
result = executor.execute()
print(f"The result is: {result}")
```