"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 05:33:41.805944
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that implements a fallback mechanism for executing functions.
    
    This implementation ensures that if an initial function execution fails,
    a secondary function can be used as a backup to handle the task.

    Parameters:
        - primary_function (Callable): The main function to execute.
        - fallback_function (Callable): The function to use in case of failure.
    """

    def __init__(self, primary_function: Callable, fallback_function: Callable):
        self.primary_function = primary_function
        self.fallback_function = fallback_function

    def __call__(self, *args: Any, **kwargs: Any) -> Any:
        """
        Execute the main function. If it fails, attempt to use the fallback.

        Args:
            *args: Positional arguments for the functions.
            **kwargs: Keyword arguments for the functions.

        Returns:
            The result of the primary or fallback function execution.
        
        Raises:
            An exception if both primary and fallback fail.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e_primary:
            print(f"Error occurred in primary function: {e_primary}")
            try:
                return self.fallback_function(*args, **kwargs)
            except Exception as e_fallback:
                print(f"Fallback failed: {e_fallback}")
                raise


# Example usage
def divide(a: float, b: float) -> float:
    """
    Divide two numbers.

    Args:
        a (float): The numerator.
        b (float): The denominator.

    Returns:
        float: The result of the division.
    """
    return a / b


def safe_divide(a: float, b: float) -> float:
    """
    A safer version of divide that handles division by zero.

    Args:
        a (float): The numerator.
        b (float): The denominator.

    Returns:
        float: The result of the division or None if division by zero occurs.
    """
    return a / b if b != 0 else None


if __name__ == "__main__":
    try_divide = FallbackExecutor(
        primary_function=divide,
        fallback_function=safe_divide
    )

    # Successful execution
    result1 = try_divide(10, 2)
    print(f"Result of successful division: {result1}")

    # Failed execution with fallback
    result2 = try_divide(10, 0)
    print(f"Result of failed division (fallback used): {result2}")
```

This code provides a `FallbackExecutor` class that can be used to wrap function calls, ensuring that if the primary function fails, a fallback function is tried. The example usage demonstrates dividing two numbers with and without a zero denominator scenario.