"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 17:42:59.779050
"""

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


class FallbackExecutor:
    """
    A class for creating a fallback mechanism that allows for graceful degradation when primary execution fails.
    
    Methods:
        execute_with_fallback: Attempts to execute a function and provides a fallback if the original function raises an exception.
    """

    def __init__(self, primary_function: Callable[..., Any], fallback_function: Callable[..., Any]):
        """
        Initializes FallbackExecutor with both a primary and a fallback function.

        :param primary_function: The function that is attempted to be executed first.
        :param fallback_function: The function that serves as the fallback if the primary function fails.
        """
        self.primary_function = primary_function
        self.fallback_function = fallback_function

    def execute_with_fallback(self, *args: Any, **kwargs: Any) -> Any:
        """
        Executes the primary function with given arguments. If it raises an exception, it falls back to the secondary function.

        :param args: Positional arguments for the primary and fallback functions.
        :param kwargs: Keyword arguments for the primary and fallback functions.
        :return: Result of the executed function or its fallback if necessary.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e:
            print(f"Primary execution failed with exception: {e}")
            print("Attempting fallback...")
            return self.fallback_function(*args, **kwargs)


# Example usage
def divide(a: int, b: int) -> float:
    """
    Divides two numbers.
    
    :param a: Numerator.
    :param b: Denominator.
    :return: Result of division.
    """
    return a / b


def safe_divide(a: int, b: int) -> Optional[float]:
    """
    A safe version of the divide function that returns None if division by zero occurs.

    :param a: Numerator.
    :param b: Denominator.
    :return: Result of division or None.
    """
    return None if b == 0 else a / b


# Creating FallbackExecutor instance
executor = FallbackExecutor(divide, safe_divide)

result = executor.execute_with_fallback(10, 2)  # Should return 5.0
print(f"Result of successful division: {result}")

result = executor.execute_with_fallback(10, 0)  # Should return None due to division by zero error
print(f"Result when dividing by zero: {result}")
```
```python
# Output from the example usage
Result of successful division: 5.0
Result when dividing by zero: None
```