"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 19:13:09.864458
"""

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

class FallbackExecutor:
    """
    A class for executing tasks with fallback mechanisms in case of errors.

    Attributes:
        default_executor (Callable): The primary function to execute a task.
        fallback_executors (Dict[str, Callable]): Mapping of error types to their respective fallback functions.
    
    Methods:
        run_task(task: str) -> Any: Executes the task or one of its fallbacks if an error occurs.
    """

    def __init__(self, default_executor: Callable, fallback_executors: Dict[str, Callable]):
        self.default_executor = default_executor
        self.fallback_executors = fallback_executors

    def run_task(self, task: str) -> Any:
        """
        Executes the given task or its fallback if an error occurs.

        Args:
            task (str): The task to execute.

        Returns:
            Any: The result of the executed task or fallback.
        """
        try:
            return self.default_executor(task)
        except Exception as e:
            for error_type, fallback in self.fallback_executors.items():
                if isinstance(e, eval(error_type)):
                    print(f"Default executor failed with {error_type}, trying fallback...")
                    return fallback(task)
            raise  # If no fallback works, re-raise the original exception

# Example usage
def safe_divide(task: str) -> float:
    try:
        num1, num2 = map(int, task.split(" "))
        return num1 / num2
    except ZeroDivisionError:
        print("Divisor cannot be zero")
        raise

def divide_by_zero(task: str) -> float:
    print("Executing fallback for division by zero...")
    return 0.0

fallback_executors = {
    "ZeroDivisionError": divide_by_zero
}

executor = FallbackExecutor(safe_divide, fallback_executors)

# Test the executor with a safe task and an error-inducing task
print(executor.run_task("4 2"))       # Should execute normally
print(executor.run_task("4 0"))       # Should use fallback
```