"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 16:12:17.256796
"""

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

class FallbackExecutor:
    """
    A class for executing tasks with a fallback mechanism to handle errors.
    
    Attributes:
        fallbacks (Dict[str, Callable[..., Any]]): A dictionary mapping error types to their respective fallback functions.
    """
    def __init__(self):
        self.fallbacks = {}
    
    def register_fallback(self, exception_type: type, fallback_func: Callable) -> None:
        """
        Register a fallback function for a specific exception type.
        
        Args:
            exception_type (type): The exception type to handle.
            fallback_func (Callable): The function to be called when the exception occurs.
        """
        self.fallbacks[exception_type] = fallback_func
    
    def execute_with_fallback(self, task: Callable) -> Any:
        """
        Execute a given task and provide a fallback if an error occurs.
        
        Args:
            task (Callable): The task to be executed.
            
        Returns:
            Any: The result of the task or the fallback function's result in case of an exception.
        """
        try:
            return task()
        except Exception as e:
            for exception_type, fallback_func in self.fallbacks.items():
                if isinstance(e, exception_type):
                    return fallback_func()
            raise  # No registered fallback for this exception

# Example usage
def risky_task() -> str:
    """A sample task that may fail."""
    import random
    if random.choice([True, False]):
        return "Success"
    else:
        raise ValueError("Task failed due to an error")

def safe_fallback() -> str:
    """Fallback function for the risky task."""
    return "Fallback success"

fallback_executor = FallbackExecutor()
fallback_executor.register_fallback(ValueError, safe_fallback)

result = fallback_executor.execute_with_fallback(risky_task)
print(result)  # Output will be either "Success" or "Fallback success"
```