"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 08:18:54.231298
"""

```python
class FallbackExecutor:
    """
    A class for implementing a fallback error recovery mechanism.
    
    This class provides a generic way to execute tasks that may fail and provides a fallback function 
    when an exception occurs during execution.

    :param func: The main function to be executed. If it raises an exception, the fallback will be used.
    :param fallback_func: The function to be executed as a fallback if an exception is raised by `func`.
    """

    def __init__(self, func: callable, fallback_func: callable):
        self.func = func
        self.fallback_func = fallback_func

    def execute(self) -> any:
        """
        Execute the main function or fallback function based on success.
        
        :return: The result of either the main function execution or the fallback function execution.
        :raises: Any exception that is not handled by the fallback.
        """
        try:
            return self.func()
        except Exception as e:
            print(f"An error occurred: {e}. Using fallback.")
            return self.fallback_func()

# Example usage
def main_function() -> int:
    """Divide 10 by 0 and handle the exception."""
    result = 10 / 0
    return result

def fallback_function() -> int:
    """Return a default value when division by zero occurs."""
    print("Division by zero error handled. Returning default value.")
    return 5

# Create an instance of FallbackExecutor
executor = FallbackExecutor(main_function, fallback_function)

# Execute the functions with and without the fallback in place
result_with_fallback = executor.execute()
print(f"Result with fallback: {result_with_fallback}")

try:
    result_without_fallback = main_function()
except ZeroDivisionError as e:
    print(f"Without fallback: {e}")
```