"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 02:38:14.230790
"""

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


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    
    This implementation allows for defining a primary function and multiple fallbacks,
    which will be attempted in order if the primary function or any of its fallbacks raise an error.

    :param primary_function: The main function to execute. If it fails, fallbacks are tried.
    :type primary_function: Callable[..., Any]
    :param fallback_functions: A list of functions that serve as fallbacks for the primary function.
                               These functions will be executed in order if an error occurs.
    :type fallback_functions: Optional[List[Callable[..., Any]]]
    """
    
    def __init__(self, primary_function: Callable[..., Any], 
                 fallback_functions: Optional[list] = None) -> None:
        self.primary_function = primary_function
        self.fallback_functions = [] if fallback_functions is None else fallback_functions

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Attempts to execute the primary function and its fallbacks in order.
        
        :param args: Positional arguments to pass to the functions.
        :param kwargs: Keyword arguments to pass to the functions.
        :return: The result of the first successfully executed function, or None if all fail.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e:
            for fallback in self.fallback_functions:
                try:
                    return fallback(*args, **kwargs)
                except Exception:
                    continue
            return None


# Example usage:

def primary_divide(a: int, b: int) -> float:
    """Divides two numbers."""
    return a / b

def divide_by_2(x: int) -> float:
    """Divides the number by 2 as a fallback."""
    return x / 2

def divide_by_3(x: int) -> float:
    """Divides the number by 3 as another fallback."""
    return x / 3


# Creating an instance of FallbackExecutor
fallback_executor = FallbackExecutor(primary_function=primary_divide, 
                                     fallback_functions=[divide_by_2, divide_by_3])

result = fallback_executor.execute(10, b=0)  # This will raise a ZeroDivisionError

print(result)  # Expected output: None (since division by zero is not handled)
```