"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 22:26:48.840736
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a mechanism for executing functions with fallbacks.
    If an exception occurs during execution of the primary function, it attempts to execute one or more fallback functions.

    :param primary_function: The primary function to be executed.
    :type primary_function: Callable
    :param fallback_functions: List of fallback functions. Each function will be tried in order if the previous 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:
        """
        Executes the primary function and, if it fails, tries each fallback function in order.
        :return: The result of the first successful execution or None if all fail.
        """
        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 primary_divide(a: int, b: int) -> float:
    """Divides two integers."""
    return a / b


def fallback1(a: int, b: int) -> float:
    """Fallback division with 0.5 if the denominator is zero."""
    return 0.5 if b == 0 else primary_divide(a, b)


def fallback2(a: int, b: int) -> float:
    """Fallback division with a default value of 1.0."""
    return 1.0


# Create an instance of FallbackExecutor
executor = FallbackExecutor(primary_function=primary_divide, fallback_functions=[fallback1, fallback2])

# Test the executor with various cases
print(executor.execute(a=10, b=2))       # Output: 5.0
print(executor.execute(a=10, b=0))       # Output: 0.5 (from fallback1)
print(executor.execute(a=10, b=-2))      # Output: -5.0 (primary function executed successfully)
```