"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 20:30:44.005002
"""

```python
from typing import Any, Callable, Optional


class FallbackExecutor:
    """
    A class that provides a mechanism for executing tasks with fallback strategies.

    This class allows you to define multiple functions to handle a single task.
    If an error occurs while executing the primary function, it attempts to execute
    one or more fallback functions until either succeeds or no fallbacks are left.
    """

    def __init__(self, primary_function: Callable[..., Any], *fallback_functions: Callable[..., Any]):
        """
        Initialize FallbackExecutor with a primary and optional fallback functions.

        :param primary_function: The main function to execute.
        :param fallback_functions: A list of fallback functions to be tried in order if the primary fails.
        """
        self.primary_function = primary_function
        self.fallback_functions = list(fallback_functions)

    def add_fallback(self, fallback_function: Callable[..., Any]) -> None:
        """
        Add a new fallback function to the executor.

        :param fallback_function: A function that can be used as a fallback.
        """
        self.fallback_functions.append(fallback_function)

    def execute_with_fallbacks(self) -> Any:
        """
        Execute the primary function and handle any errors by trying fallback functions.

        Returns the result of the first successful execution or raises an error if all fail.
        :return: The return value of the successful function.
        :raises Exception: If no successful execution is achieved.
        """
        try:
            return self.primary_function()
        except Exception as primary_error:
            for fallback in self.fallback_functions:
                try:
                    return fallback()
                except Exception as error:
                    continue
            raise Exception("All functions failed with the following error:", primary_error)


# Example usage
def main_task() -> int:
    """
    A sample task that may fail due to a deliberate error.
    """
    1 / 0  # Intentional division by zero for demonstration purposes


def fallback_task_1() -> int:
    """
    First fallback function.
    """
    return 42 + 57 - 90  # Simple calculation with no exception expected


def fallback_task_2() -> int:
    """
    Second fallback function, which also does not raise an error.
    """
    return 100 * 2 // 3

# Creating the FallbackExecutor instance
executor = FallbackExecutor(main_task, fallback_task_1, fallback_task_2)

try:
    result = executor.execute_with_fallbacks()
    print(f"Task executed successfully with result: {result}")
except Exception as e:
    print(e)
```

This example demonstrates how to create and use a `FallbackExecutor` that handles errors by attempting multiple functions until one succeeds.