"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 10:50:01.856856
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for creating a fallback mechanism in function execution.
    
    This allows you to execute a primary function while providing an optional fallback function that will be used if the primary function fails.
    """

    def __init__(self, primary_func: Callable[[], Any], fallback_func: Callable[[], Any] = None):
        """
        Initialize FallbackExecutor with a primary and (optional) fallback function.

        :param primary_func: A callable function that is executed primarily. If it returns an error or raises an exception,
                             the fallback function will be used.
        :param fallback_func: An optional callable function that serves as a backup in case of failure of the primary function.
        """
        self.primary_func = primary_func
        self.fallback_func = fallback_func

    def execute(self) -> Any:
        """
        Execute the primary function. If it fails, use the fallback function if provided.

        :return: The result from either the primary or fallback function execution.
                 Returns None if both functions fail and no fallback is available.
        """
        try:
            return self.primary_func()
        except Exception as e:
            print(f"Primary function failed with error: {e}")
            if self.fallback_func:
                return self.fallback_func()
            else:
                print("No fallback function provided.")
                return None


# Example usage
def primary_function() -> int:
    """Divide 10 by an integer input and return the result."""
    try:
        num = int(input("Enter a non-zero number: "))
        if num == 0:
            raise ValueError("Number cannot be zero")
        return 10 / num
    except Exception as e:
        print(f"Primary function failed: {e}")
        raise


def fallback_function() -> int:
    """A simple fallback that always returns -1."""
    print("Using fallback function.")
    return -1


if __name__ == "__main__":
    primary = primary_function
    fallback = fallback_function

    # Using FallbackExecutor to handle errors in the primary function
    fallback_executor = FallbackExecutor(primary_func=primary, fallback_func=fallback)
    
    result = fallback_executor.execute()
    if result is not None:
        print(f"Result: {result}")
```