"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 20:43:17.747562
"""

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


class FallbackExecutor:
    """
    A class for executing a function with fallback execution in case of an exception.
    
    :param primary_executor: The main function to execute.
    :type primary_executor: Callable[..., Any]
    :param fallback_executor: The backup function to execute if the primary one fails. Defaults to None.
    :type fallback_executor: Optional[Callable[..., Any]]
    """

    def __init__(self, primary_executor: Callable[..., Any], fallback_executor: Optional[Callable[..., Any]] = None):
        self.primary_executor = primary_executor
        self.fallback_executor = fallback_executor

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Execute the primary function and handle exceptions by falling back to the secondary function if provided.

        :param args: Arguments for the primary function.
        :type args: Any
        :param kwargs: Keyword arguments for the primary function.
        :type kwargs: Any
        :return: The result of the executed function or None if both fail.
        :rtype: Any
        """
        try:
            return self.primary_executor(*args, **kwargs)
        except Exception as e:
            print(f"Primary execution failed with error: {e}")
            if self.fallback_executor:
                return self.fallback_executor(*args, **kwargs)
            else:
                print("Fallback executor not provided. No fallback available.")
                return None


# Example usage
def divide(a: int, b: int) -> float:
    """
    Divide two numbers.
    
    :param a: Dividend.
    :type a: int
    :param b: Divisor.
    :type b: int
    :return: Quotient of a and b.
    :rtype: float
    """
    return a / b


def safe_divide(a: int, b: int) -> Optional[float]:
    """
    Divide two numbers with an explicit fallback for division by zero.
    
    :param a: Dividend.
    :type a: int
    :param b: Divisor.
    :type b: int
    :return: Quotient of a and b or None if b is 0.
    :rtype: Optional[float]
    """
    if b == 0:
        print("Safe division detected zero divisor. Returning None.")
        return None
    return a / b


# Creating instances
primary = divide
fallback = safe_divide

executor = FallbackExecutor(primary, fallback)

result = executor.execute(10, 2)  # Normal operation: result should be 5.0
print(f"Result of primary execution: {result}")

try:
    result = executor.execute(10, 0)  # Zero division error: fallback should handle it
except Exception as e:
    print(f"Error during execution: {e}")
```