"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 10:47:45.711670
"""

```python
class FallbackExecutor:
    """
    A class for executing functions with fallback options in case of errors.

    Attributes:
        fallbacks (list[callable]): List of fallback functions to be tried if the primary function fails.
    
    Methods:
        execute: Attempts to run the primary function, and if it fails, tries each fallback successively.
    """

    def __init__(self, primary_function: callable, fallbacks: list[callable]):
        """
        Initialize a FallbackExecutor with a primary function and its fallbacks.

        Args:
            primary_function (callable): The main function to execute.
            fallbacks (list[callable]): List of functions that can be used as fallbacks if the primary function fails.
        """
        self.primary_function = primary_function
        self.fallbacks = fallbacks

    def execute(self) -> callable:
        """
        Execute the primary function, and on failure, attempt each fallback in order.

        Returns:
            The result of the successful execution or None if all fail.
        
        Raises:
            Exception: If an unhandled exception occurs during execution.
        """
        try:
            return self.primary_function()
        except Exception as e:
            for fallback in self.fallbacks:
                try:
                    return fallback()
                except Exception:
                    continue
            return None


# Example usage

def primary_func() -> int:
    """Primary function that may raise an exception."""
    print("Executing primary function")
    # Simulate a failure
    # raise ValueError("An error occurred in the primary function.")
    return 42


def fallback1() -> int:
    """Fallback function 1."""
    print("Executing fallback 1")
    return 50


def fallback2() -> int:
    """Fallback function 2."""
    print("Executing fallback 2")
    return 60


# Create an instance of FallbackExecutor
executor = FallbackExecutor(primary_func, [fallback1, fallback2])

# Attempt to execute the primary and fallback functions
result = executor.execute()

if result is not None:
    print(f"Result: {result}")
else:
    print("All attempts failed.")
```

This example demonstrates how to create a `FallbackExecutor` class that can be used to handle errors by executing fallback functions when the primary function fails. The example includes three functions, one of which may fail and two fallbacks that will run in sequence if an error occurs.