"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 06:44:17.699226
"""

```python
from typing import Callable, Any, Optional

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

    Args:
        primary_func: The primary function to be executed.
        fallback_func: The fallback function to be used if the primary function fails.
        max_attempts: Maximum number of attempts before giving up. Default is 3.
    
    Raises:
        ExecutionError: If all attempts fail and no valid result can be obtained.

    Returns:
        Any: The result from the successful execution of either the primary or fallback function.
    """

    class ExecutionError(Exception):
        """Custom exception for indicating failure to execute any function."""

    def __init__(self, primary_func: Callable[..., Any], fallback_func: Optional[Callable[..., Any]] = None,
                 max_attempts: int = 3) -> None:
        self.primary_func = primary_func
        self.fallback_func = fallback_func
        self.max_attempts = max_attempts

    def execute(self) -> Any:
        attempts_left = self.max_attempts
        while attempts_left > 0:
            try:
                result = self.primary_func()
                return result
            except Exception as e:
                if self.fallback_func is not None and attempts_left > 1:
                    print(f"Primary function failed: {e}, trying fallback...")
                    attempts_left -= 1
                    result = self.fallback_func()
                    if result is not None:
                        return result
                else:
                    raise FallbackExecutor.ExecutionError("All attempts to execute functions failed.") from e

# Example usage
def primary_divide(a: int, b: int) -> float:
    """Divides two numbers."""
    return a / b

def fallback_divide(a: int, b: int) -> Optional[float]:
    """Fallback division function that handles zero division error and returns None."""
    try:
        return a / b
    except ZeroDivisionError:
        print("Attempted to divide by zero, returning None.")
        return None

executor = FallbackExecutor(primary_func=primary_divide, fallback_func=fallback_divide)
result = executor.execute(10, 2)  # This should work fine.
print(result)

# Handling division by zero with a fallback
result = executor.execute(10, 0)  # This will trigger the fallback function.
```