"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 10:59:46.299692
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a mechanism for executing functions with fallback handling.
    
    Attributes:
        primary_function (Callable): The main function to be executed.
        fallback_function (Callable): The function to be used as a fallback if the primary function fails.
        
    Methods:
        execute: Attempts to execute the primary function and handles exceptions by using the fallback function.
    """
    
    def __init__(self, primary_function: Callable, fallback_function: Callable):
        self.primary_function = primary_function
        self.fallback_function = fallback_function
    
    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Attempts to execute the primary function with provided arguments and keyword arguments.
        If an exception occurs during execution of the primary function, the fallback function is executed instead.
        
        Args:
            *args: Positional arguments passed to the functions.
            **kwargs: Keyword arguments passed to the functions.
            
        Returns:
            Any: The result of the successfully executed function or None if both functions fail.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e:
            print(f"Error occurred in primary function: {e}")
            fallback_result = self.fallback_function(*args, **kwargs)
            print("Executing fallback function.")
            return fallback_result if fallback_result is not None else None


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

def safe_divide(a: float, b: float) -> float:
    """Safe division with handling of zero divisor exception."""
    if b == 0:
        print("Division by zero error. Returning zero.")
        return 0
    return a / b


executor = FallbackExecutor(divide, safe_divide)
result = executor.execute(10, 2)  # Normal execution
print(f"Result: {result}")

# Example of an error scenario
result = executor.execute(10, 0)  # This will trigger the fallback function
print(f"Fallback Result: {result}")
```