"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 14:50:58.309107
"""

```python
class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions in case of errors.
    
    Attributes:
        primary_executors (list): List of callable objects to attempt execution on.
        fallback_executor (callable or None): The fallback callable if all primary executors fail.

    Methods:
        execute: Attempts to execute the provided function with arguments. Falls back to a
                 pre-defined method in case of an exception.
    """

    def __init__(self, primary_executors: list, fallback_executor=None):
        """
        Initialize the FallbackExecutor with primary and fallback executors.

        Args:
            primary_executors (list): List of callables to attempt execution on.
            fallback_executor (callable or None): The fallback callable if all primary fail. Defaults to None.
        """
        self.primary_executors = primary_executors
        self.fallback_executor = fallback_executor

    def execute(self, func, *args, **kwargs):
        """
        Attempt to execute the function with provided arguments.

        If an exception occurs during execution of any primary executor,
        it will try executing the fallback Executor if one is defined.
        
        Args:
            func (callable): The function to attempt to execute.
            args: Positional arguments for the function.
            kwargs: Keyword arguments for the function.

        Returns:
            Any: The result of the executed function or None in case of unrecoverable error.
        """
        try:
            for executor in self.primary_executors + [self.fallback_executor]:
                if callable(executor):
                    # Attempt to execute with passed args/kwargs
                    return executor(*args, **kwargs)
                else:
                    raise ValueError("Fallback executor must be a callable.")
            return None  # Return None if no valid executors can handle the task
        except Exception as e:
            print(f"Error occurred: {e}")
            return None


# Example usage

def func1(x):
    return x * 2

def func2(x):
    return x / 0  # This will raise a ZeroDivisionError

def fallback_func(x):
    return f"Fallback: {x}"


executor = FallbackExecutor([func1, func2], fallback_executor=fallback_func)

# Successful execution
result = executor.execute(func1, 5)
print(result)  # Output: 10

# Unsuccessful primary executors but successful fallback
result = executor.execute(func2, 5)
print(result)  # Output: Error occurred: division by zero
                # None

result = executor.execute(fallback_func, 5)
print(result)   # Output: Fallback: 5
```