"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 07:17:06.643574
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for handling tasks that may fail and providing a fallback mechanism.
    
    This class is useful when you want to attempt executing a task and if it fails,
    you can revert to another function or method without breaking the program flow.
    """

    def __init__(self, primary_function: Callable[..., Any], fallback_function: Callable[..., Any]):
        """
        Initialize FallbackExecutor with both primary and fallback functions.

        :param primary_function: The main function that is expected to execute the task.
        :param fallback_function: A secondary function that acts as a fallback in case of failure.
        """
        self.primary_function = primary_function
        self.fallback_function = fallback_function

    def __call__(self, *args, **kwargs) -> Any:
        """
        Execute the primary function with given arguments. If it fails, try the fallback.

        :param args: Positional arguments to pass to the functions.
        :param kwargs: Keyword arguments to pass to the functions.
        :return: The result of the successfully executed function or None in case both fail.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as primary_error:
            print(f"Primary function failed with error: {primary_error}")
            fallback_result = self.fallback_function(*args, **kwargs)
            if fallback_result is not None:
                print("Fallback function was successfully executed.")
            return fallback_result


# Example usage
def divide(a: int, b: int) -> float:
    """
    Divide two numbers.
    
    :param a: Numerator.
    :param b: Denominator.
    :return: The result of division.
    """
    if b == 0:
        raise ZeroDivisionError("Denominator cannot be zero")
    return a / b


def safe_divide(a: int, b: int) -> float:
    """
    A safer version of divide that catches exceptions and returns None instead.
    
    :param a: Numerator.
    :param b: Denominator.
    :return: The result of division or None if an error occurs.
    """
    return a / b


# Create a FallbackExecutor instance
executor = FallbackExecutor(divide, safe_divide)

# Example 1 - both functions work fine
result = executor(10, 2)
print(result)  # Expected output: 5.0

# Example 2 - primary function fails but fallback does not
try:
    result = executor(10, 0)
except ZeroDivisionError as e:
    print(e)

# Using the FallbackExecutor instance directly
result = executor(10, 0)  # This will use the fallback and output: None
```