"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 05:52:31.639743
"""

```python
class FallbackExecutor:
    """
    A class that provides a mechanism for handling errors in function execution.
    
    The `FallbackExecutor` allows you to run a primary function and if it fails,
    automatically execute a fallback function instead.

    :param primary_func: Callable, the main function to try first.
    :param fallback_func: Callable, the alternative function to use if the primary fails.
    :raises ValueError: If either of the provided functions is not callable.
    """

    def __init__(self, primary_func: callable, fallback_func: callable):
        if not callable(primary_func) or not callable(fallback_func):
            raise ValueError("Both primary_func and fallback_func must be callable.")
        
        self.primary_func = primary_func
        self.fallback_func = fallback_func

    def execute(self, *args, **kwargs) -> any:
        """
        Tries to execute the primary function. If it fails, executes the fallback function.

        :param args: Arguments to pass to both functions.
        :param kwargs: Keyword arguments to pass to both functions.
        :return: The result of the executed function or the fallback if an exception occurs.
        """
        try:
            return self.primary_func(*args, **kwargs)
        except Exception as e:
            print(f"An error occurred while executing {self.primary_func.__name__}: {e}")
            return self.fallback_func(*args, **kwargs)

# Example Usage
def divide(a: int, b: int) -> float:
    """Divides two numbers and returns the result."""
    return a / b

def multiply(a: int, b: int) -> float:
    """Multiplies two numbers as an alternative operation."""
    return a * b

executor = FallbackExecutor(primary_func=divide, fallback_func=multiply)
result = executor.execute(10, 2)  # Expected result: 5.0
print(f"Result of division: {result}")

try:
    result = executor.execute(10, 0)  # This will raise a ZeroDivisionError
except ZeroDivisionError as e:
    print(f"Caught an error: {e}")
finally:
    fallback_result = executor.execute(10, 0)
    print(f"Fallback result of division with zero: {fallback_result}")

# Expected output:
# Result of division: 5.0
# An error occurred while executing divide: division by zero
# Fallback result of division with zero: 20
```