"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 01:13:01.685381
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for executing a function with fallbacks in case of errors.
    
    Args:
        main_function: The primary function to execute.
        backup_functions: A list of functions that will be tried sequentially if the main function fails.
    """
    
    def __init__(self, main_function: Callable[[], Any], backup_functions: list[Callable[[], Any]]):
        self.main_function = main_function
        self.backup_functions = backup_functions
    
    def execute_with_fallback(self) -> Any:
        """
        Executes the main function. If an exception is raised during execution,
        tries each of the backup functions in order until one succeeds.
        
        Returns:
            The result of the first successfully executed function, or None if all fail.
        """
        try:
            return self.main_function()
        except Exception as e:
            print(f"Error occurred: {e}")
        
        for backup in self.backup_functions:
            try:
                return backup()
            except Exception as e:
                print(f"Backup function error: {e}")
        
        return None


# Example usage
def main_function() -> int:
    """Example main function that may fail."""
    raise ValueError("Main function failed intentionally")

def backup_function1() -> int:
    """First backup function."""
    return 2

def backup_function2() -> int:
    """Second backup function."""
    return 3


fallback_executor = FallbackExecutor(main_function, [backup_function1, backup_function2])
result = fallback_executor.execute_with_fallback()
print(result)  # This should print the result of one of the backup functions or None if all fail
```