"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 10:53:27.069817
"""

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

class FallbackExecutor:
    """
    A class for creating a fallback mechanism in functions or methods.
    
    This class is designed to handle situations where a primary function may fail,
    and a backup (fallback) method can be used instead. The fallback can either
    be defined as another callable or a simple value that will be returned.
    """

    def __init__(self, primary: Callable[..., Any], fallback: Optional[Callable[..., Any]] = None):
        """
        Initialize the FallbackExecutor.

        :param primary: The main function or method to execute first.
        :param fallback: An optional backup callable or value to use if the primary fails.
        """
        self.primary = primary
        self.fallback = fallback

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Execute the primary callable and handle any exceptions by falling back.

        :param args: Positional arguments for the callables.
        :param kwargs: Keyword arguments for the callables.
        :return: The result of the primary or fallback execution if an error occurs.
        """
        try:
            return self.primary(*args, **kwargs)
        except Exception as e:
            print(f"Primary function failed with error: {e}")
            if callable(self.fallback):
                return self.fallback(*args, **kwargs)
            else:
                return self.fallback

# Example usage
def primary_function(x: int) -> int:
    """Divide by zero intentionally to simulate an error."""
    return x / 0

def fallback_function(x: int) -> int:
    """Fallback function that returns a constant value."""
    return -1

fallback_executor = FallbackExecutor(primary_function, fallback_function)
result = fallback_executor.execute(5)  # This will use the fallback and print an error message
print(result)  # Expected output: -1 (from the fallback)

# Using without fallback
another_fallback_executor = FallbackExecutor(primary_function)
result_no_fallback = another_fallback_executor.execute(5)
print(result_no_fallback)  # Will raise a ZeroDivisionError
```