"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 04:21:30.832351
"""

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


class FallbackExecutor:
    """
    A class for executing a function with fallback options in case of errors.
    
    This helps in scenarios where functions may fail but should not crash the program,
    allowing the system to continue running and handling issues gracefully.

    :param func: The primary function to be executed. It must accept positional arguments only.
    :type func: Callable
    :param fallbacks: A list of tuples, each containing a fallback function and its corresponding error types.
                      If an error occurs in `func`, the appropriate fallback will be tried.
    :type fallbacks: List[Tuple[Callable, tuple[type]]]
    """

    def __init__(self, func: Callable[..., Any], fallbacks: Optional[list[tuple[Callable[..., Any], type[BaseException]]]] = None):
        self.func = func
        self.fallbacks = fallbacks if fallbacks else []

    def _run_fallback(self, error_type: type[BaseException]) -> Callable[..., Any]:
        for fallback, exc_types in self.fallbacks:
            if issubclass(error_type, tuple(exc_types)):
                return fallback
        raise ValueError(f"No suitable fallback found for error of type {error_type}")

    def __call__(self, *args: Any) -> Any:
        try:
            return self.func(*args)
        except Exception as exc:
            fallback = self._run_fallback(type(exc))
            print(f"Primary function failed with an exception. Attempting fallback: {fallback.__name__}")
            return fallback(*args)


def primary_function(a: int, b: int) -> str:
    """
    Example primary function that might fail in certain conditions.
    
    :param a: First number
    :param b: Second number
    :return: A string indicating the result or an error message
    """
    if b == 0:
        raise ZeroDivisionError("Cannot divide by zero")
    return f"The result is {a / b}"


def fallback_function(a: int, b: int) -> str:
    """
    Example fallback function that handles division errors differently.
    
    :param a: First number
    :param b: Second number
    :return: A string indicating the alternative result or an error message
    """
    return f"Using fallback: {a} // {b}"


if __name__ == "__main__":
    # Example usage of FallbackExecutor
    executor = FallbackExecutor(primary_function, [(fallback_function, (ZeroDivisionError,))]
                                )
    
    print(executor(10, 2))       # Normal case
    print(executor(10, 0))       # Error case triggering fallback
```

This Python code defines a `FallbackExecutor` class designed to handle and recover from errors in the primary function execution by trying out specified fallback functions. The example usage demonstrates how it can be utilized for error recovery scenarios where division might fail due to zero denominators.