"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-05 21:50:52.273928
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a way to execute functions with fallback mechanisms.
    If an exception occurs during execution of the primary function,
    it attempts to use a fallback function or raises the original error.

    :param primary_function: The main function to execute
    :type primary_function: Callable[..., Any]
    :param fallback_function: Optional fallback function if an error occurs, takes same arguments as primary_function
    :type fallback_function: Callable[..., Any] | None
    """

    def __init__(self, primary_function: Callable[..., Any], fallback_function: Callable[..., Any] = None):
        self.primary_function = primary_function
        self.fallback_function = fallback_function

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Executes the primary function with given arguments.
        If an exception occurs, attempts to use the fallback function or re-raises the error.

        :param args: Arguments for the functions
        :param kwargs: Keyword arguments for the functions
        :return: The result of the executed function
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e:
            if self.fallback_function is not None:
                print(f"Error occurred in primary function: {e}")
                try:
                    return self.fallback_function(*args, **kwargs)
                except Exception as fallback_e:
                    raise RuntimeError("Both primary and fallback functions failed") from fallback_e
            else:
                raise e


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


def safe_divide(a: int, b: int) -> float | None:
    """Safe version of divide function that returns None if division by zero occurs."""
    try:
        return a / b
    except ZeroDivisionError:
        print("Caught division by zero error.")
        return None


fallback_executor = FallbackExecutor(divide, safe_divide)

result = fallback_executor.execute(10, 2)  # Normal execution
print(f"Result: {result}")

# Simulate an error and use the fallback function
try:
    result = fallback_executor.execute(10, 0)
except ZeroDivisionError as e:
    print(f"Caught division by zero error in primary function: {e}")
```