"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-05 20:42:55.511336
"""

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


class FallbackExecutor:
    """
    A class for executing functions with a fallback mechanism in case of errors.
    
    :param primary_function: The main function to be executed.
    :param fallback_function: The function to be executed if the primary function raises an exception.
    """

    def __init__(self, primary_function: Callable[..., Any], fallback_function: Callable[..., Any]):
        self.primary_function = primary_function
        self.fallback_function = fallback_function

    def execute(self) -> Any:
        """
        Execute the primary function. If it raises an exception, call the fallback function.
        
        :return: The result of the executed function or the fallback function if needed.
        """
        try:
            return self.primary_function()
        except Exception as e:
            print(f"An error occurred in the primary function: {e}")
            return self.fallback_function()

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

def safe_divide(a: int, b: int) -> Optional[float]:
    """Safe division that catches zero division error and returns None instead."""
    try:
        return a / b
    except ZeroDivisionError:
        print("Cannot divide by zero!")
        return None


# Create an instance of FallbackExecutor
executor = FallbackExecutor(
    primary_function=divide,
    fallback_function=safe_divide
)

result = executor.execute(a=10, b=2)  # Correct operation: result should be 5.0
print(f"Result from execute: {result}")

# Test with an error scenario
result_error = executor.execute(a=10, b=0)  # This will trigger the fallback function
print(f"Result from fallback: {result_error}")
```