"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 12:41:23.939042
"""

```python
from typing import Callable, Optional


class FallbackExecutor:
    """
    A class for creating a fallback mechanism in function execution.
    
    This class allows you to define a primary function that might fail and 
    a set of fallback functions that can be used if the primary function fails. 
    If any of the fallbacks succeed, it returns their result; otherwise, None is returned.

    Args:
        primary_function: The main function to attempt execution.
        fallback_functions: A list of functions to try in case the primary function fails.
    
    Returns:
        The output of the successful function or None if all fail.
    """

    def __init__(self, primary_function: Callable, fallback_functions: Optional[list[Callable]] = None):
        self.primary_function = primary_function
        self.fallback_functions = fallback_functions or []

    def execute(self) -> Optional[object]:
        """
        Execute the primary function and if it fails, try each fallback.
        
        Returns:
            The output of the successful function or None if all fail.
        """
        results = [self._execute_function(func) for func in self.fallback_functions]
        return next((result for result in results if result is not None), 
                    self._execute_function(self.primary_function))

    def _execute_function(self, func: Callable) -> Optional[object]:
        """
        Execute a given function and handle any exceptions.

        Args:
            func (Callable): The function to execute.
        
        Returns:
            The return value of the function or None if an exception occurs.
        """
        try:
            return func()
        except Exception as e:
            print(f"Failed executing {func.__name__}: {e}")
            return None


# Example usage
def primary_func():
    """Primary function that might fail."""
    raise ValueError("This is a failure case.")


def fallback_func1():
    """First fallback function."""
    return "Fallback 1 result"


def fallback_func2():
    """Second fallback function."""
    return "Fallback 2 result"


# Creating an instance of FallbackExecutor
executor = FallbackExecutor(primary_func, [fallback_func1, fallback_func2])

# Execute the setup
result = executor.execute()

print(f"Result: {result}")
```

This code snippet provides a `FallbackExecutor` class to manage function execution with fallbacks. It includes error handling within each fallback and demonstrates its usage through an example where the primary function can fail, but it attempts to recover using available fallback functions.