"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 00:02:54.114577
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for creating a fallback execution mechanism that tries primary function and then a secondary one in case of failure.
    """

    def __init__(self, primary_function: Callable[..., Any], secondary_function: Callable[..., Any]):
        """
        Initialize the FallbackExecutor with both the primary and secondary functions.

        :param primary_function: The main function to attempt execution on first try
        :param secondary_function: The backup function to run if the primary one fails
        """
        self.primary_function = primary_function
        self.secondary_function = secondary_function

    def execute(self, *args, **kwargs) -> Any:
        """
        Execute the primary function with given arguments. If it raises an exception,
        attempt execution of the secondary function.

        :param args: Arguments to pass to both functions.
        :param kwargs: Keyword arguments to pass to both functions.
        :return: The result of the successfully executed function, or None if both failed.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e1:
            print(f"Primary function failed with error: {e1}")
        
        try:
            return self.secondary_function(*args, **kwargs)
        except Exception as e2:
            print(f"Secondary function failed with error: {e2}")
            return None


# Example usage
def primary_math_operation(a: int, b: int) -> int:
    """
    A simple addition operation that can raise an exception.
    
    :param a: First integer
    :param b: Second integer
    :return: Sum of the two integers
    """
    return a + b


def secondary_math_operation(a: int, b: int) -> int:
    """
    A slightly different addition operation for fallback scenario.
    
    :param a: First integer
    :param b: Second integer
    :return: Sum of the two integers with an additional 100
    """
    return a + b + 100


# Creating instances and using FallbackExecutor
fallback_executor = FallbackExecutor(primary_math_operation, secondary_math_operation)
result = fallback_executor.execute(5, 7)  # Expected result is 12 without exception
print(f"Result: {result}")

try:
    # Introduce an error in primary function to test fallback
    raise Exception("Simulated error from primary function.")
except Exception as e:
    print(f"Error in primary function caught: {e}")
    
fallback_executor.execute(5, 7)  # Expected result is 102 (secondary function result)
```