"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 15:00:00.486365
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for creating a fallback mechanism when an operation may fail.
    
    This class allows defining multiple functions that will be attempted in sequence until one succeeds or all fail.
    
    :param primary_function: The primary function to try first. If it fails, the fallbacks are tried.
    :type primary_function: Callable
    :param fallback_functions: A list of fallback functions to try if the primary function fails.
    :type fallback_functions: List[Callable]
    """

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

    def execute(self) -> Any:
        """
        Attempts to execute the primary function and if it fails, tries each of the fallback functions in sequence.
        
        :return: The result of the first successful function or None if all fail.
        :rtype: Any | None
        """
        try:
            return self.primary_function()
        except Exception as e:
            for func in self.fallback_functions:
                try:
                    return func()
                except Exception:
                    continue
            return None


# Example usage:

def safe_division(a: float, b: float) -> float:
    """Safely divides a by b."""
    return a / b


def integer_division(a: int, b: int) -> int:
    """Divides a by b and rounds to the nearest integer."""
    return round(a / b)


def error_division(a: float, b: float) -> float:
    """Intentionally raises an exception."""
    raise ValueError("This function intentionally fails.")


# Creating instances of functions
primary = safe_division
fallback1 = integer_division
fallback2 = error_division

# Creating the FallbackExecutor instance
executor = FallbackExecutor(primary, [fallback1, fallback2])

# Example execution
result = executor.execute(10, 5)
print(result)  # Should print: 2.0 (from safe_division)

result = executor.execute(10, 0)
print(result)  # Should print: 2 (from integer_division)

result = executor.execute(10, -3)
print(result)  # Should raise an exception from error_division, but fallback will not be used as integer_division is the last
```