"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 15:29:16.821526
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    
    Attributes:
        primary_exec: The primary function to be executed.
        backup_exec: The secondary function used as fallback in case of errors.
    """
    
    def __init__(self, primary_exec: Callable[..., Any], backup_exec: Callable[..., Any]):
        self.primary_exec = primary_exec
        self.backup_exec = backup_exec
    
    def execute_with_fallback(self, *args, **kwargs) -> Any:
        """
        Attempts to execute the primary function. If an exception occurs,
        executes the backup function and returns its result.
        
        Args:
            *args: Positional arguments to pass to the functions.
            **kwargs: Keyword arguments to pass to the functions.
            
        Returns:
            The result of the successfully executed function or None if both fail.
        """
        try:
            return self.primary_exec(*args, **kwargs)
        except Exception as e:
            print(f"Primary execution failed with error: {e}")
            try:
                return self.backup_exec(*args, **kwargs)
            except Exception as e:
                print(f"Backup execution also failed with error: {e}")
                return None


# Example usage
def divide_and_square(a: int, b: int) -> float:
    """Divides two numbers and returns the square of the result."""
    return (a / b) ** 2


def add_and_square(a: int, b: int) -> float:
    """Adds two numbers and returns the square of the result."""
    return (a + b) ** 2


fallback_executor = FallbackExecutor(divide_and_square, add_and_square)

# Simulate an error
result_1 = fallback_executor.execute_with_fallback(4, 0)
print(f"Result: {result_1}")  # Should use backup function

# Normal execution
result_2 = fallback_executor.execute_with_fallback(4, 2)
print(f"Result: {result_2}")  # Should use primary function
```