"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 14:13:58.814788
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for creating a fallback executor that attempts multiple functions in order until one succeeds.

    :param functions: A list of callables to try as primary execution.
    :param fallbacks: A list of fallback callables to try if the primary fails.
    """

    def __init__(self, functions: list[Callable[..., Any]], fallbacks: list[Callable[..., Any]] = None):
        self.functions = functions
        self.fallbacks = fallbacks or []

    def execute(self, *args, **kwargs) -> Any:
        """
        Attempts to execute the primary functions with given arguments.
        If all fail, tries the fallback functions.

        :param args: Positional arguments for function calls.
        :param kwargs: Keyword arguments for function calls.
        :return: The result of the first successful call or None if all fail.
        """
        for func in self.functions + self.fallbacks:
            try:
                return func(*args, **kwargs)
            except Exception as e:
                print(f"Function {func.__name__} failed with error: {e}")
        return None


# Example usage
def add(a: int, b: int) -> int:
    """Adds two numbers."""
    return a + b

def subtract(a: int, b: int) -> int:
    """Subtracts second number from the first."""
    return a - b

def multiply(a: int, b: int) -> int:
    """Multiplies two numbers."""
    return a * b


# Primary and fallback functions
primary_functions = [add, subtract]
fallback_functions = [multiply]

executor = FallbackExecutor(primary_functions, fallback_functions)

result = executor.execute(5, 3)
print(f"Result: {result}")  # Should print 8 if add is successful

result = executor.execute(10, 2)  # Assuming there's no suitable function in the list
print(f"Fallback Result: {result}")  # Should be None since all functions failed
```