"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 13:58:32.311815
"""

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


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    If an exception occurs during execution of the main function,
    a fallback function is executed instead.

    :param main_func: The primary function to be executed.
    :param fallback_func: The function to execute in case the main function fails.
    """

    def __init__(self, main_func: Callable[..., Any], fallback_func: Callable[..., Any]):
        self.main_func = main_func
        self.fallback_func = fallback_func

    def execute(self) -> Optional[Any]:
        """
        Executes the main function. If an exception occurs,
        executes the fallback function instead.

        :return: The result of the executed function or None on failure.
        """
        try:
            return self.main_func()
        except Exception as e:
            print(f"Error occurred in main function: {e}")
            return self.fallback_func()


# Example usage
def divide_numbers(num1: int, num2: int) -> float:
    """Divides two numbers and returns the result."""
    return num1 / num2


def safe_divide_or_none(num1: int, num2: int) -> Optional[float]:
    """Safe division that handles ZeroDivisionError by returning None."""
    if num2 == 0:
        return None
    return num1 / num2


# Create instances of the functions to be used with FallbackExecutor
main_divide = divide_numbers
fallback_divide = safe_divide_or_none

# Create a FallbackExecutor instance
executor = FallbackExecutor(main_divide, fallback_divide)

# Execute and handle potential errors
result = executor.execute(10, 2)
print(f"Result: {result}")

result = executor.execute(10, 0)  # This should trigger the fallback
print(f"Fallback Result: {result}")
```