"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 22:30:22.853853
"""

```python
class FallbackExecutor:
    """
    A class for creating a fallback mechanism in execution processes.
    
    This allows for graceful degradation when an operation fails, by providing 
    a backup function to handle the situation.
    
    Attributes:
        primary_function (callable): The main function that is intended to execute.
        fallback_function (callable): The secondary function used as a backup if the
                                      primary function fails.
    
    Methods:
        run: Executes the primary function and handles exceptions by invoking 
             the fallback function if an exception occurs.
    """
    
    def __init__(self, primary_function: callable, fallback_function: callable):
        self.primary_function = primary_function
        self.fallback_function = fallback_function
    
    def run(self) -> None:
        """
        Execute the primary function and handle exceptions by invoking 
        the fallback function if an exception occurs.
        
        Raises:
            Exception: If neither the primary nor the fallback function can be executed successfully.
        """
        try:
            self.primary_function()
        except Exception as e:
            print(f"Primary function failed with error: {e}")
            try:
                self.fallback_function()
            except Exception as e:
                raise Exception("Fallback function also failed") from e

# Example usage
def main_function():
    """An example of a primary function that could fail."""
    print("Executing primary function")
    # Simulate failure by dividing by zero
    1 / 0

def fallback_function():
    """A simple backup function to handle the situation when the primary fails."""
    print("Executing fallback function")

if __name__ == "__main__":
    executor = FallbackExecutor(main_function, fallback_function)
    try:
        executor.run()
    except Exception as e:
        print(f"An error occurred: {e}")
```

This code snippet defines a `FallbackExecutor` class that provides a structured way to implement a fallback mechanism for functions. The example usage demonstrates how to use this class in a simple scenario where the primary function might fail, and the fallback function is called if needed.