"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 20:36:55.607050
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    If an exception occurs during the execution of the primary function,
    it attempts to execute one or more fallback functions.

    :param primary: The primary callable function to be executed.
    :param fallbacks: A list of fallback callables that will be attempted
                      in order if the primary fails.
    """

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

    def execute(self) -> Any:
        """
        Executes the primary function. If it raises an exception,
        attempts to execute each of the fallback functions in sequence.
        Returns the result of the first function that succeeds, or None if all fail.

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

    def add_fallback(self, func: Callable[..., Any]) -> None:
        """
        Adds a new fallback function to the list of fallback functions.

        :param func: The callable function to be added as a fallback.
        """
        self.fallbacks.append(func)


# Example usage:

def primary_function() -> int:
    """Primary function that may fail."""
    raise ValueError("Primary function failed")


def fallback_function1() -> int:
    """First fallback function."""
    return 42


def fallback_function2() -> int:
    """Second fallback function."""
    return 84


fallback_executor = FallbackExecutor(primary_function, [fallback_function1, fallback_function2])

result = fallback_executor.execute()
print(f"Result: {result}")  # This will print "Result: 42"
```