"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 15:06:54.291791
"""

```python
class FallbackExecutor:
    """
    A class for handling limited error recovery in execution tasks.

    This executor attempts to execute a task using a primary function.
    If an exception occurs, it uses a fallback function as a backup solution.
    """

    def __init__(self, primary_func: callable, fallback_func: callable):
        """
        Initialize the FallbackExecutor with primary and fallback functions.

        :param primary_func: The main function to attempt execution.
        :param fallback_func: The alternative function to use if an error occurs.
        """
        self.primary_func = primary_func
        self.fallback_func = fallback_func

    def execute(self, *args, **kwargs) -> any:
        """
        Execute the task using the primary function and revert to the fallback
        in case of failure.

        :param args: Arguments passed to the primary function.
        :param kwargs: Keyword arguments passed to the primary function.
        :return: The result of the execution or the fallback, if applicable.
        """
        try:
            return self.primary_func(*args, **kwargs)
        except Exception as e:
            print(f"An error occurred: {e}")
            return self.fallback_func(*args, **kwargs)

# Example usage
def primary_greet(name: str) -> str:
    """Greet the user with a personalized message."""
    return f"Hello, {name}!"

def fallback_greet() -> str:
    """Provide a generic greeting if no name is available."""
    return "Hello, guest!"

executor = FallbackExecutor(primary_greet, fallback_greet)

# Test execution
print(executor.execute("Alice"))  # Should print: Hello, Alice!
print(executor.execute())         # Should print: Hello, guest!
```