"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 18:00:27.861675
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that executes a function and provides a fallback mechanism in case of errors.
    
    Args:
        primary_func (Callable): The main function to be executed.
        fallback_func (Callable): The function to execute if the primary function fails.
    """

    def __init__(self, primary_func: Callable[..., Any], fallback_func: Callable[..., Any]):
        self.primary_func = primary_func
        self.fallback_func = fallback_func

    def __call__(self, *args, **kwargs) -> Any:
        """
        Executes the primary function and handles errors by calling the fallback function.
        
        Args:
            *args: Arguments to pass to the functions.
            **kwargs: Keyword arguments to pass to the functions.
        
        Returns:
            The result of the primary_func if no exception occurred, otherwise the result of fallback_func.
        """
        try:
            return self.primary_func(*args, **kwargs)
        except Exception as e:
            print(f"An error occurred while executing the primary function: {e}")
            return self.fallback_func(*args, **kwargs)


# Example usage
def divide(a: int, b: int) -> float:
    """Divides two numbers."""
    return a / b


def add(a: int, b: int) -> int:
    """Adds two numbers and returns the result."""
    return a + b


if __name__ == "__main__":
    executor = FallbackExecutor(primary_func=divide, fallback_func=add)
    
    # Test with valid inputs
    print(executor(10, 2))  # Should output 5.0
    
    # Test with invalid inputs to trigger the exception and fallback
    try:
        result = executor(10, 0)  # This should raise a ZeroDivisionError
    except Exception as e:
        print(f"Caught an error: {e}")
        
    # Fallback function will be called in this case
    print(result)  # Should output 20 (from the fallback add function)
```