"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 15:50:08.795235
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for creating a fallback mechanism to handle errors in function execution.
    
    This allows you to specify a primary function and one or more fallback functions that will be used if the primary function fails.
    Each fallback is tried sequentially until one succeeds or they all fail.

    :param primary: The main function to execute, as a Callable.
    :param fallbacks: A list of fallback functions, each a Callable with the same signature as `primary`.
    """

    def __init__(self, primary: Callable[..., Any], fallbacks: list[Callable[..., Any]]):
        self.primary = primary
        self.fallbacks = fallbacks

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Executes the primary function with provided arguments.
        
        If it raises an exception, tries each fallback in order until one succeeds or they all fail.
        """
        try:
            return self.primary(*args, **kwargs)
        except Exception as e:
            for fallback in self.fallbacks:
                try:
                    return fallback(*args, **kwargs)
                except Exception:
                    continue
            raise RuntimeError("All functions failed") from e


# Example usage

def primary_function(x: int) -> int:
    """Divide x by 2"""
    return x / 2


def fallback1(x: int) -> int:
    """Return 0 as a fallback if division by zero occurs."""
    print("Fallback 1 called, assuming no valid input.")
    return 0


def fallback2(x: int) -> int:
    """Return the input value unchanged as a last resort."""
    print("Fallback 2 called, returning original value.")
    return x


# Creating an instance of FallbackExecutor
executor = FallbackExecutor(primary_function, [fallback1, fallback2])

# Example calls to demonstrate error recovery
try:
    result = executor.execute(4)
except Exception as e:
    print(f"An error occurred: {e}")

result = executor.execute(0)  # This should trigger the first fallback
print(result)

result = executor.execute("invalid input")  # This should trigger the second fallback
print(result)
```

This Python script defines a `FallbackExecutor` class that helps in managing function calls where you want to provide multiple options for handling errors. It includes examples of how to use this class with primary and fallback functions.