"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 01:06:56.385428
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for executing a task with fallback options in case of failure.
    
    Parameters:
    - primary_func (Callable): The main function to be executed.
    - *fallback_funcs (Callable): Zero or more fallback functions to be tried if the primary function fails.

    Methods:
    - execute(task_args: Any) -> Any: Executes the task and handles errors by trying fallbacks if necessary.
    """

    def __init__(self, primary_func: Callable, *fallback_funcs: Callable):
        self.primary_func = primary_func
        self.fallback_funcs = list(fallback_funcs)

    def _try_function(self, func: Callable, args: Any) -> Any:
        """
        Tries to execute a given function with provided arguments.
        
        Parameters:
        - func (Callable): The function to be executed.
        - args (Any): Arguments for the function.
        
        Returns:
        - Any: The result of the function execution or None if an exception occurs.
        """
        try:
            return func(*args)
        except Exception as e:
            print(f"Error occurred while executing {func.__name__}: {e}")
            return None

    def execute(self, task_args: Any) -> Any:
        """
        Executes the primary function with provided arguments. If it fails,
        tries each fallback function in sequence until one succeeds or all fail.
        
        Parameters:
        - task_args (Any): Arguments for the functions to be executed.
        
        Returns:
        - Any: The result of a successful execution or None if no fallback works.
        """
        primary_result = self._try_function(self.primary_func, task_args)
        if primary_result is not None:
            return primary_result

        for func in self.fallback_funcs:
            fallback_result = self._try_function(func, task_args)
            if fallback_result is not None:
                return fallback_result

        return None


# Example usage
def main_task(arg: int) -> str:
    """A sample function that may fail based on input."""
    if arg == 0:
        raise ValueError("Invalid argument")
    return f"Task successful with arg: {arg}"

def fallback1(arg: int) -> str:
    """Fallback function 1."""
    print("Fallback 1 executed.")
    return "Fallback 1 result"

def fallback2(arg: int) -> str:
    """Fallback function 2."""
    print("Fallback 2 executed.")
    return "Fallback 2 result"


# Create an instance of FallbackExecutor
executor = FallbackExecutor(main_task, fallback1, fallback2)

# Execute the task with a valid argument
print(executor.execute(5))  # Should output: Task successful with arg: 5

# Execute the task with an invalid argument
print(executor.execute(0))  # Should output:
                           # Error occurred while executing main_task: Invalid argument
                           # Fallback 1 executed.
                           # 'Fallback 1 result