"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 23:33:55.083821
"""

```python
from typing import Callable, Any


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

    Attributes:
        primary_function (Callable): The main function to be executed.
        backup_functions (list[Callable]): List of backup functions to use in case the primary function fails.
        error_handlers (list[Callable[[Exception], Any]]): List of functions to handle errors that occur during execution.
    
    Methods:
        execute: Executes the primary function, falls back to a backup if it fails, and handles any exceptions with provided handlers.
    """

    def __init__(self, primary_function: Callable, backup_functions: list[Callable] = None,
                 error_handlers: list[Callable[[Exception], Any]] = None):
        self.primary_function = primary_function
        self.backup_functions = backup_functions or []
        self.error_handlers = error_handlers or []

    def execute(self) -> Any:
        """
        Executes the primary function, falls back to a backup if it fails,
        and handles any exceptions with provided handlers.

        Returns:
            The result of the executed function.
        Raises:
            Exception: If no fallback is available and an exception occurs.
        """
        try:
            return self.primary_function()
        except Exception as e:
            for handler in self.error_handlers:
                try:
                    return handler(e)
                except Exception:
                    continue

            backup_functions = [func() for func in self.backup_functions]
            if not backup_functions:
                raise Exception("No fallback functions available and primary function failed") from e
            else:
                return backup_functions[0]

# Example usage:

def main_function() -> int:
    """Main function that may fail."""
    # Simulating a failure scenario
    try:
        result = 1 / 0  # Division by zero error
    except ZeroDivisionError:
        raise ValueError("Failed to execute main function")

    return 42


def backup_function() -> int:
    """A fallback function if the primary fails."""
    print("Executing backup function")
    return 99

error_handler = lambda e: str(e)

executor = FallbackExecutor(main_function, [backup_function], [error_handler])

# Running execution
try:
    result = executor.execute()
except Exception as ex:
    print(f"Error encountered during fallback: {ex}")
else:
    print(f"Final result is {result}")
```