"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 02:54:34.152382
"""

```python
class FallbackExecutor:
    """
    A class for managing execution fallbacks in case primary function execution fails.

    Attributes:
        default_func (Callable): The default function to execute when the primary one fails.
        retries (int): Number of times to attempt executing the primary function before falling back.
        fallbacks (List[Callable]): List of functions that will be tried as fallbacks if the primary function fails.

    Methods:
        run(fallback_on_exception: Callable, *args, **kwargs) -> Any:
            Execute the primary function with given arguments. If it raises an exception,
            attempt to execute a fallback function from the list.
    """

    def __init__(self, default_func: Callable, retries: int = 3):
        """
        Initialize FallbackExecutor.

        :param default_func: The default function to use as a primary execution function.
        :param retries: Number of times to attempt executing the primary function before falling back.
        """
        self.default_func = default_func
        self.retries = retries
        self.fallbacks = []

    def add_fallback(self, func: Callable):
        """
        Add a fallback function to be used in case of exception during execution.

        :param func: The fallback function to add.
        """
        self.fallbacks.append(func)

    def run(self, fallback_on_exception: Callable, *args, **kwargs) -> Any:
        """
        Execute the primary function with given arguments. If it raises an exception,
        attempt to execute a fallback function from the list.

        :param fallback_on_exception: The fallback function to use if the primary one fails.
        :param args: Positional arguments for the functions.
        :param kwargs: Keyword arguments for the functions.
        :return: The result of the successfully executed function or None on failure.
        """
        primary_func = self.default_func
        max_retries = self.retries

        while max_retries > 0:
            try:
                return primary_func(*args, **kwargs)
            except Exception as e:
                if not self.fallbacks:
                    raise e
                fallback_func = self.fallbacks.pop(0)
                max_retries -= 1
                result = fallback_func(*args, **kwargs)
                if result is not None:
                    return result

        # If all retries are exhausted and no fallback works, use the provided exception handler.
        return fallback_on_exception(*args, **kwargs)

# Example usage:

def primary_function(x: int) -> int:
    """
    A simple function that can fail for demonstration purposes.

    :param x: An input parameter to be processed.
    :return: The result of processing the input.
    """
    if x == 0:
        raise ValueError("Input cannot be zero")
    return x * 10

def fallback_function(x: int) -> int:
    """
    A simple fallback function.

    :param x: An input parameter to be processed.
    :return: The result of processing the input or a default value if an error occurs.
    """
    return x + 5

def exception_handler(x: int) -> str:
    """
    An example exception handler that returns an error message.

    :param x: A placeholder for any parameter, not used in this handler.
    :return: A string indicating the failure.
    """
    return "Failed to process input"

# Create fallback executor
executor = FallbackExecutor(primary_function)
executor.add_fallback(fallback_function)

try:
    result = executor.run(exception_handler, 10)
except Exception as e:
    print(f"Error occurred: {e}")
else:
    print(f"Result is: {result}")
```