"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 14:11:44.289454
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    
    This class is designed to handle cases where the primary function may fail,
    by providing an alternative function or simply handling exceptions gracefully.
    """

    def __init__(self, primary_function: Callable[..., Any], fallback_function: Callable[..., Any] = None):
        """
        Initialize the FallbackExecutor with a primary and optional fallback function.

        :param primary_function: The main function to execute. This is the one that might fail.
        :type primary_function: Callable
        :param fallback_function: An alternative function to use in case of failure, defaults to None.
        :type fallback_function: Callable, optional
        """
        self.primary_function = primary_function
        self.fallback_function = fallback_function

    def execute(self, *args, **kwargs) -> Any:
        """
        Execute the primary function. If it raises an exception, attempt to use the fallback function.

        :param args: Positional arguments passed to the primary and fallback functions.
        :type args: tuple
        :param kwargs: Keyword arguments passed to the primary and fallback functions.
        :type kwargs: dict
        :return: The result of the executed function or None if both failed.
        :rtype: Any
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e:
            print(f"Primary function failed with exception: {e}")
            if self.fallback_function is not None:
                try:
                    return self.fallback_function(*args, **kwargs)
                except Exception as fe:
                    print(f"Fallback function also failed with exception: {fe}")
                    return None
            else:
                return None


# Example usage

def primary_division(x: int, y: int) -> float:
    """
    Perform division of two numbers.

    :param x: Dividend.
    :type x: int
    :param y: Divisor.
    :type y: int
    :return: Quotient.
    :rtype: float
    """
    return x / y


def fallback_multiplication(x: int, y: int) -> int:
    """
    Multiply two numbers as a fallback.

    :param x: Multiplier.
    :type x: int
    :param y: Another multiplier.
    :type y: int
    :return: Product.
    :rtype: int
    """
    return x * y


# Create FallbackExecutor instance with primary and fallback functions
fallback_executor = FallbackExecutor(primary_function=primary_division, fallback_function=fallback_multiplication)

# Example 1: Both functions work
result = fallback_executor.execute(10, 2)
print(result)  # Output should be 5.0

# Example 2: Primary function fails due to division by zero, fallback works
result = fallback_executor.execute(10, 0)
print(result)  # Output should be 20 (since fallback was used)

# Example 3: Both functions fail; no result is returned
try:
    result = fallback_executor.execute(10, 'a')
except TypeError as e:
    print(e)  # Handle the error if needed

```