"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 06:38:17.753785
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for handling function execution with fallback mechanisms.
    
    This class allows you to run a primary function and provides an option
    to execute a fallback function if the primary one fails or returns
    an error. The fallback function will only be executed if the error
    is of a specific type defined in `error_types`.
    
    Args:
        func: A callable representing the main function.
        fallback_func: A callable representing the fallback function (optional).
        error_types: Types of errors for which the fallback function should run.
    """
    
    def __init__(self, func: Callable[..., Any], 
                 fallback_func: Callable[..., Any] = None,
                 error_types: tuple[type[Exception], ...] = (Exception,)):
        self.func = func
        self.fallback_func = fallback_func
        self.error_types = error_types
    
    def execute(self) -> Any:
        """
        Execute the main function and handle errors according to `error_types`.
        
        Returns:
            The result of the main function if it runs successfully.
            Otherwise, returns the result of the fallback function.
        """
        try:
            return self.func()
        except self.error_types as e:
            if self.fallback_func:
                print(f"Error occurred: {e}, running fallback function.")
                return self.fallback_func()
            else:
                raise
    
    def __call__(self, *args: Any, **kwargs: Any) -> Any:
        """
        Callable object to execute the main or fallback functions.
        
        Args:
            *args: Positional arguments for the functions.
            **kwargs: Keyword arguments for the functions.
            
        Returns:
            The result of the executed function.
        """
        return self.execute(*args, **kwargs)


# Example usage
def main_function():
    x = 1 / 0  # Simulate an error by dividing by zero
    return "Success"

def fallback_function():
    return "Fallback success"


if __name__ == "__main__":
    executor = FallbackExecutor(main_function, fallback_func=fallback_function)
    
    result = executor()
    print(f"Result: {result}")
```

This example demonstrates a `FallbackExecutor` that can handle errors in the main function and switch to a fallback function if necessary. The `main_function` is expected to raise an error which is caught by the `execute` method, then it runs the `fallback_function`.