"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 12:38:26.435042
"""

```python
class FallbackExecutor:
    """
    A class designed to provide a fallback mechanism for executing functions in case of errors.

    Attributes:
        primary_exec (callable): The main function to execute.
        secondary_execs (list[callable]): A list of backup functions to use if the primary fails.
        exception_types (tuple[type, ...]): Exception types that should trigger a fallback.

    Methods:
        __call__(self, *args, **kwargs) -> Any: Executes the primary function or one of the backups in case of an error.
    """

    def __init__(self, primary_exec: callable, secondary_execs: list[callable], exception_types: tuple[type]):
        self.primary_exec = primary_exec
        self.secondary_execs = secondary_execs
        self.exception_types = exception_types

    def __call__(self, *args, **kwargs) -> Any:
        """
        Attempts to execute the main function. If an error occurs and it is of a type in exception_types,
        executes one of the backup functions.

        Args:
            *args: Positional arguments for the functions.
            **kwargs: Keyword arguments for the functions.

        Returns:
            The result of the executed function or None if all fallbacks failed.
        """
        try:
            return self.primary_exec(*args, **kwargs)
        except self.exception_types as e:
            print(f"Primary execution failed with {type(e).__name__}, attempting fallback.")
            for exec_func in self.secondary_execs:
                try:
                    result = exec_func(*args, **kwargs)
                    if result is not None:  # Ensure a value was returned
                        return result
                except self.exception_types as e2:
                    print(f"Fallback {exec_func.__name__} failed with {type(e2).__name__}.")
            return None


# Example usage

def primary_function(x):
    """
    A sample function that might fail.
    Args:
        x: An argument for the function.

    Returns:
        The result of the operation or an error message if it fails.
    """
    import math
    try:
        return 1 / (x - 2)
    except ZeroDivisionError as e:
        raise ValueError("Cannot divide by zero") from e


def fallback_function_1(x):
    """
    A first fallback function that doesn't return anything but prints a message.
    Args:
        x: An argument for the function.

    Returns:
        None
    """
    print(f"Fallback 1 called with {x}.")


def fallback_function_2(x):
    """
    A second fallback function that returns an alternative result.
    Args:
        x: An argument for the function.

    Returns:
        The result of a different operation or None if no valid value can be calculated.
    """
    return math.log10(x - 3)


# Creating an instance and testing it
fallback_executor = FallbackExecutor(primary_function, [fallback_function_1, fallback_function_2], (ZeroDivisionError, ValueError))

result = fallback_executor(2)  # Should trigger fallback due to error in primary function
print(f"Result: {result}")

result = fallback_executor(4)  # Should execute the primary function normally
print(f"Result: {result}")
```