"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 20:53:38.175926
"""

```python
class FallbackExecutor:
    """
    A class that provides a fallback mechanism for handling exceptions in function execution.
    
    This is particularly useful when you want to execute multiple functions sequentially,
    and if one of them fails, another backup function can be executed instead.

    :param primary_function: The main function to try executing. It should take the same arguments as the backup function.
    :type primary_function: callable
    :param backup_function: The fallback function to run in case the primary function raises an exception.
    :type backup_function: callable
    """

    def __init__(self, primary_function: callable, backup_function: callable):
        self.primary_function = primary_function
        self.backup_function = backup_function

    def execute(self, *args, **kwargs) -> any:
        """
        Execute the primary function with provided arguments. If an exception is raised,
        execute the backup function instead.

        :param args: Arguments to pass to the functions.
        :param kwargs: Keyword arguments to pass to the functions.
        :return: The result of the executed function or None if both failed.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e:
            print(f"Primary function failed with exception: {e}")
            try:
                backup_result = self.backup_function(*args, **kwargs)
                print("Executing backup function.")
                return backup_result
            except Exception as be:
                print(f"Backup function also failed with exception: {be}")
                return None

# Example usage:

def main_function(x):
    return 1 / x

def fallback_function(x):
    return -1 * x

fallback_executor = FallbackExecutor(main_function, fallback_function)

result = fallback_executor.execute(0)   # This will fail for the primary function and succeed with backup
print(f"Result: {result}")

# Output should be:
# Primary function failed with exception: division by zero
# Executing backup function.
# Result: 0
```