"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 08:04:45.819847
"""

```python
from typing import Any, Callable


class FallbackExecutor:
    """
    A class for creating a fallback executor that tries to execute a given function and falls back to an alternative
    strategy if the initial one fails.

    :param func: The primary function to be executed.
    :param alt_func: The alternative function to be used in case of failure of the primary function.
    """

    def __init__(self, func: Callable[..., Any], alt_func: Callable[..., Any]):
        self.func = func
        self.alt_func = alt_func

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Executes the primary function with given arguments. If an exception occurs during execution,
        the alternative function is called.

        :param args: Arguments for the primary and alternative functions.
        :param kwargs: Keyword arguments for the primary and alternative functions.
        :return: The result of the successfully executed function or None if both fail.
        """
        try:
            return self.func(*args, **kwargs)
        except Exception as e:
            print(f"Primary function failed with error: {e}")
            alt_result = self.alt_func(*args, **kwargs)
            if alt_result is not None:
                print("Alternative function executed successfully.")
            return alt_result

    def __call__(self, *args: Any, **kwargs: Any) -> Any:
        """
        Calls the `execute` method with given arguments.

        :param args: Arguments for the primary and alternative functions.
        :param kwargs: Keyword arguments for the primary and alternative functions.
        :return: The result of the successfully executed function or None if both fail.
        """
        return self.execute(*args, **kwargs)


def primary_function(a: int, b: int) -> int:
    """A simple arithmetic operation that may raise an exception."""
    from random import randint
    if randint(0, 1):  # Randomly simulate a failure
        raise ValueError("Primary function failed")
    return a + b


def alternative_function(a: int, b: int) -> int:
    """An alternative arithmetic operation to be used in case of failure."""
    return a * b


# Example usage
fallback = FallbackExecutor(primary_function, alternative_function)
result = fallback(5, 10)
print(f"Result: {result}")

try:
    result = fallback(5, "ten")  # This will raise an exception and use the fallback
except TypeError as e:
    print(f"Caught error during execution: {e}")
```