"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 14:09:22.227568
"""

```python
from typing import Callable


class FallbackExecutor:
    """
    A class for executing functions with fallback mechanisms in case of errors.

    Attributes:
        primary_function (Callable): The main function to be executed.
        secondary_function (Callable, optional): The fallback function if the primary fails.
        max_attempts (int): Maximum number of attempts before giving up. Default is 3.

    Methods:
        execute: Tries executing the primary function and uses the secondary function on error.
    """

    def __init__(self, primary_function: Callable, secondary_function: Callable = None, max_attempts: int = 3):
        self.primary_function = primary_function
        self.secondary_function = secondary_function
        self.max_attempts = max_attempts

    def execute(self) -> object:
        attempts = 0
        while attempts < self.max_attempts:
            try:
                result = self.primary_function()
                return result
            except Exception as e:
                if self.secondary_function is not None and attempts < self.max_attempts - 1:
                    secondary_result = self.secondary_function(e)
                    if secondary_result is not None:
                        return secondary_result
                attempts += 1
        raise RuntimeError("All attempts failed.")


# Example usage
def primary_operation() -> int:
    """Simulate a primary operation that may fail."""
    import random
    if random.random() < 0.5:
        print("Primary operation failed.")
        raise ValueError("Failed to complete primary task")
    else:
        return 42


def secondary_recovery(error: Exception) -> int | None:
    """Simulate a recovery operation that may succeed or fail."""
    import time
    if isinstance(error, ValueError):
        print(f"Secondary attempt ({error} occurred). Retrying...")
        time.sleep(1)
        return 37
    return None


# Creating an instance of FallbackExecutor with the example functions.
executor = FallbackExecutor(primary_operation, secondary_recovery)

try:
    # Executing the primary function via the executor
    result = executor.execute()
    print(f"Result: {result}")
except Exception as e:
    print(e)
```