"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-05 23:07:52.341707
"""

```python
from typing import Callable, Optional


class FallbackExecutor:
    """
    A class for executing functions with fallback support in case of errors.
    
    This implementation allows setting a primary function along with one or more fallback functions.
    If the primary function fails (raises an exception), one of the fallbacks is attempted,
    and if none succeed, the last exception is raised.
    """

    def __init__(self, primary_function: Callable):
        """
        Initialize FallbackExecutor with a primary function.

        :param primary_function: The main function to execute.
        """
        self.primary = primary_function
        self.fallbacks = []

    def add_fallback(self, fallback_function: Callable) -> None:
        """
        Add a fallback function to the list of fallbacks.

        :param fallback_function: A function that can be used as a fallback in case the primary fails.
        """
        self.fallbacks.append(fallback_function)

    def execute(self) -> Optional[Callable]:
        """
        Execute the primary function. If it raises an exception, attempt to run each fallback,
        returning the result of the first one that succeeds (or None if all fail).

        :return: The result of the executed function or None.
        """
        try:
            return self.primary()
        except Exception as e:
            for fallback in self.fallbacks:
                try:
                    return fallback()
                except Exception:
                    continue
        raise e


# Example usage

def divide(a, b):
    """Divide two numbers."""
    return a / b


def divide_by_two(x):
    """Divide x by 2 (fallback)."""
    return x / 2


def divide_by_three(x):
    """Divide x by 3 (fallback)."""
    return x / 3


if __name__ == "__main__":
    fe = FallbackExecutor(divide)
    fe.add_fallback(divide_by_two)
    fe.add_fallback(divide_by_three)

    try:
        result = fe.execute(10, 2)  # Should work
        print(f"Result: {result}")
    except Exception as e:
        print(f"Error: {e}")

    try:
        result = fe.execute(10, 0)  # Will raise division by zero and fallback
        print(f"Result: {result}")
    except Exception as e:
        print(f"Error after fallback: {e}")
```

This Python code defines a class `FallbackExecutor` that can be used to handle errors in function execution through primary and fallback functions. The example demonstrates its usage with simple division operations, where it gracefully handles a zero divisor by falling back to alternative methods.