"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 08:18:07.318753
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    If an exception occurs during execution of the primary function,
    it attempts to run a secondary fallback function.

    :param primary_func: The main function to attempt execution on.
    :param fallback_func: The backup function to execute if an error occurs.
    """

    def __init__(self, primary_func: Callable[..., Any], fallback_func: Callable[..., Any]):
        self.primary_func = primary_func
        self.fallback_func = fallback_func

    def run(self) -> Any:
        """
        Execute the primary function. If it raises an exception,
        execute the fallback function instead.

        :return: The result of the executed function or None if both fail.
        """
        try:
            return self.primary_func()
        except Exception as e:
            print(f"Error occurred in primary function: {e}")
            try:
                return self.fallback_func()
            except Exception as fe:
                print(f"Error occurred in fallback function: {fe}")
                return None


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


def safe_divide_numbers(a: int, b: int) -> float:
    """Safe division that handles zero division error."""
    if b == 0:
        print("Division by zero detected.")
        return 1.0
    else:
        return a / b


# Create an instance of FallbackExecutor
executor = FallbackExecutor(divide_numbers, safe_divide_numbers)

# Example calls
result = executor.run(a=10, b=2)  # Should be successful with result = 5.0
print(f"Result: {result}")

result = executor.run(a=10, b=0)  # Should use fallback due to division by zero
print(f"Result: {result}")
```