"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 09:12:08.780381
"""

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


class FallbackExecutor:
    """
    A class for creating a fallback mechanism to handle errors in function execution.
    
    This class is designed to execute a primary function and provide a fallback 
    strategy if the primary function encounters an error. The fallback can either
    be another function or simply skip execution.

    :param func: Callable, the main function to be executed with its arguments.
    :param fallback: Optional[Callable], the fallback function to use in case of errors.
                     It must accept the same positional and keyword arguments as `func`.
    """

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

    def execute(self, *args, **kwargs) -> Any:
        """
        Execute the main function. If an error occurs during execution, attempt to run the fallback.

        :param args: Positional arguments for the `func`.
        :param kwargs: Keyword arguments for the `func`.

        :return: The result of the executed function or its fallback if provided.
        :raises: Any exception thrown by `func` or the fallback function.
        """
        try:
            return self.func(*args, **kwargs)
        except Exception as e:
            print(f"An error occurred: {e}")
            if self.fallback is not None:
                return self.fallback(*args, **kwargs)


# Example usage

def divide(a: int, b: int) -> float:
    """
    Divide two numbers.
    
    :param a: Numerator.
    :param b: Denominator.

    :return: The result of division.
    """
    return a / b


def safe_divide(a: int, b: int) -> Optional[float]:
    """
    A safer version of `divide` that returns None if the denominator is zero.
    
    :param a: Numerator.
    :param b: Denominator.

    :return: The result of division or None.
    """
    return divide(a, b) if b != 0 else None


fallback_executor = FallbackExecutor(func=divide, fallback=safe_divide)

# Successful execution
result = fallback_executor.execute(10, 5)
print(f"Result: {result}")  # Should print "Result: 2.0"

# Error recovery due to zero denominator
result = fallback_executor.execute(10, 0)
print(f"Result with fallback: {result}")  # Should print "Result with fallback: None"
```