"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 05:12:07.672860
"""

```python
from typing import Any


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    
    This class is designed to handle situations where an initial function call might fail or return unexpected results.
    It allows defining multiple execution strategies and automatically switches between them if the current one fails.

    :param primary_func: The primary function to be executed.
    :param fallback_funcs: A list of additional functions that will be tried in sequence if the primary function fails.
    """

    def __init__(self, primary_func: Any, fallback_funcs: list[Any] = None):
        self.primary_func = primary_func
        self.fallback_funcs = fallback_funcs or []

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Attempt to execute the primary function with provided arguments.
        If it fails, try each fallback function in sequence until one succeeds.

        :param args: Positional arguments passed to the functions.
        :param kwargs: Keyword arguments passed to the functions.
        :return: The result of the first successful function call or None if all fail.
        """
        for func in [self.primary_func] + self.fallback_funcs:
            try:
                return func(*args, **kwargs)
            except Exception as e:
                print(f"Function {func} failed with error: {e}")
        return None


# Example usage
def primary_add(a: int, b: int) -> int:
    """Add two numbers."""
    return a + b

def fallback_add(a: int, b: int) -> int:
    """A slightly different way to add two numbers."""
    return a - b  # This is just an example; it might not be a true fallback in real scenarios


# Creating instances
primary_executor = primary_add
fallback_executor = FallbackExecutor(primary_executor, [lambda a, b: a * b])

result = fallback_executor.execute(5, 3)
print(f"Result: {result}")  # Should print "Result: 8" since the first function succeeds

result = fallback_executor.execute(5, 2)  # Assuming primary_add fails in some way for demonstration
print(f"Result: {result}")  # Should print "Result: None" and try fallback functions

# Another example with different fallbacks
fallback_executor = FallbackExecutor(primary_executor, [lambda a, b: a * b, lambda a, b: abs(a - b)])

result = fallback_executor.execute(5, 2)
print(f"Result: {result}")  # Should print "Result: 10" from the second fallback function
```