"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 13:20:31.386785
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for executing functions with fallbacks in case of errors.

    Attributes:
        primary_function (Callable): The main function to be executed.
        secondary_function (Callable): The fallback function if the primary function fails.
        max_retries (int): Maximum number of retries before giving up. Default is 3.

    Methods:
        execute: Attempts to run the primary function, falls back to the secondary function on failure.
    """

    def __init__(self, primary_function: Callable, secondary_function: Callable, max_retries: int = 3):
        """
        Initialize the FallbackExecutor with a primary and secondary function.

        Args:
            primary_function (Callable): The main function to be executed.
            secondary_function (Callable): The fallback function if the primary function fails.
            max_retries (int): Maximum number of retries before giving up. Default is 3.
        """
        self.primary_function = primary_function
        self.secondary_function = secondary_function
        self.max_retries = max_retries

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Attempt to run the primary function, and if it fails with an exception,
        fall back to the secondary function.

        Args:
            *args: Arguments passed to both functions.
            **kwargs: Keyword arguments passed to both functions.

        Returns:
            The result of the successful function execution or None if all retries fail.
        """
        retries = 0
        while retries < self.max_retries + 1:
            try:
                return self.primary_function(*args, **kwargs)
            except Exception as e:
                print(f"Primary function failed with: {e}")
                if self.secondary_function is not None:
                    try:
                        return self.secondary_function(*args, **kwargs)
                    except Exception as se:
                        print(f"Fallback function also failed with: {se}")
                else:
                    print("No fallback available. Giving up.")
            retries += 1

        return None


# Example usage
def primary_function(a: int, b: int) -> int:
    """Add two numbers."""
    if a < 0 or b < 0:
        raise ValueError("Numbers must be non-negative")
    return a + b


def secondary_function(a: int, b: int) -> int:
    """Fallback function that adds one to each number before adding them."""
    print("Executing fallback function.")
    return primary_function(a + 1, b + 1)


# Testing the FallbackExecutor
executor = FallbackExecutor(primary_function, secondary_function)
result = executor.execute(-2, 3)  # This will trigger the fallback

print(f"Result: {result}")
```