"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 22:25:29.888974
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    If an exception occurs during function execution, it attempts to run a fallback function.

    :param primary_func: The main function to be executed.
    :param fallback_func: The function to be used as a fallback if the primary function fails.
    """

    def __init__(self, primary_func: Callable[..., Any], fallback_func: Callable[..., Any]):
        self.primary_func = primary_func
        self.fallback_func = fallback_func

    def execute(self) -> Any:
        """
        Execute the main function. If an exception occurs, attempt to run the fallback function.
        
        :return: The result of the successfully executed function or None if both failed.
        """
        try:
            return self.primary_func()
        except Exception as e:
            print(f"Error occurred in primary function: {e}")
            try:
                return self.fallback_func()
            except Exception as fe:
                print(f"Error occurred in fallback function: {fe}")
                return None


# Example usage
def main_function() -> int:
    result = 10 / 0  # Intentionally cause a ZeroDivisionError to demonstrate error handling.
    return result

def fallback_function() -> int:
    return 5

executor = FallbackExecutor(main_function, fallback_function)

try:
    print(executor.execute())
except Exception as e:
    print(f"Final error: {e}")
```

This code snippet includes a `FallbackExecutor` class that demonstrates handling errors in function execution and attempting to use a fallback function if the primary one fails. The example usage section shows how this can be applied to basic error recovery scenarios.