"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 15:07:01.801988
"""

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

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

    Attributes:
        primary_exec: The main function to be executed.
        secondary_execs: A dictionary mapping possible error types to their respective fallback functions.
    """

    def __init__(self, primary_exec: Callable[..., Any], secondary_execs: Dict[type[Exception], Callable[..., Any]]):
        """
        Initialize the FallbackExecutor with a primary and secondary execution mappings.

        Args:
            primary_exec (Callable): The main function to be executed.
            secondary_execs (Dict[type[Exception], Callable]): A dictionary mapping exception types to fallback functions.
        """
        self.primary_exec = primary_exec
        self.secondary_execs = secondary_execs

    def execute_with_fallback(self, *args, **kwargs) -> Any:
        """
        Execute the main function with a fallback mechanism.

        Args:
            *args: Positional arguments for the execution.
            **kwargs: Keyword arguments for the execution.

        Returns:
            Any: The result of the primary or secondary execution.

        Raises:
            The last unhandled exception if no fallback is available.
        """
        try:
            return self.primary_exec(*args, **kwargs)
        except Exception as e:
            error_type = type(e)
            fallback_func = self.secondary_execs.get(error_type)

            if fallback_func:
                print(f"Primary execution failed with {error_type}, executing fallback.")
                return fallback_func(*args, **kwargs)
            else:
                raise

# Example usage
def divide(a: int, b: int) -> float:
    """
    Divide two numbers.
    """
    return a / b

def custom_divide_handler(a: int, b: int) -> float:
    """
    A custom handler for division by zero errors.
    """
    print("Caught a ZeroDivisionError. Returning 0 instead.")
    return 0.0

fallback_executor = FallbackExecutor(primary_exec=divide,
                                     secondary_execs={ZeroDivisionError: custom_divide_handler})

result = fallback_executor.execute_with_fallback(10, 2)  # Normal execution
print(result)  # Output: 5.0

result = fallback_executor.execute_with_fallback(10, 0)  # Fallback due to ZeroDivisionError
print(result)  # Output: Caught a ZeroDivisionError. Returning 0 instead. \n 0.0
```