"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 22:12:29.684094
"""

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


class FallbackExecutor:
    """
    A class that provides a mechanism for executing a main function and falling back to an alternative function in case of errors.
    
    :param main_func: The primary function to execute.
    :type main_func: Callable[[], Any]
    :param fallback_func: An optional secondary function to use if the main function raises an error.
    :type fallback_func: Callable[[], Any] or None
    """
    
    def __init__(self, main_func: Callable[[], Any], fallback_func: Optional[Callable[[], Any]] = None):
        self.main_func = main_func
        self.fallback_func = fallback_func
    
    def execute_with_fallback(self) -> Any:
        """
        Executes the main function. If an error occurs during execution, attempts to run the fallback function.
        
        :return: The result of the main or fallback function if executed successfully.
        :rtype: Any
        """
        try:
            return self.main_func()
        except Exception as e:
            print(f"Error occurred in main function: {e}")
            if self.fallback_func:
                try:
                    return self.fallback_func()
                except Exception as fe:
                    print(f"Fallback function also failed with error: {fe}")
            else:
                raise  # No fallback, so re-raise the exception


# Example usage
def main_function() -> int:
    """A simple function that might fail if an invalid operation is performed."""
    try:
        result = 10 / 0
        return result
    except ZeroDivisionError:
        print("Caught a division by zero error!")
        raise

def fallback_function() -> int:
    """A fallback function to handle the case when main_function fails."""
    print("Executing fallback function.")
    return 42


if __name__ == "__main__":
    executor = FallbackExecutor(main_function, fallback_function)
    result = executor.execute_with_fallback()
    print(f"Final result: {result}")
```

This code provides a `FallbackExecutor` class that encapsulates the functionality of trying to execute a primary function and falling back to an alternative one if necessary. It includes examples of both a main and a fallback function, demonstrating how they can be used in practice.