"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 18:37:13.812460
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for executing a function with fallback execution in case of failure.
    
    This implementation allows wrapping any callable to provide graceful error handling and recovery.
    """

    def __init__(self, primary_executor: Callable[[], Any], fallback_executor: Callable[[], Any]):
        """
        Initialize the FallbackExecutor.

        :param primary_executor: The main function to execute.
        :param fallback_executor: The function to execute in case the primary fails.
        """
        self.primary_executor = primary_executor
        self.fallback_executor = fallback_executor

    def execute(self) -> Any:
        """
        Execute the primary function. If it raises an exception, attempt to run the fallback function.

        :return: Result of the executed function or None if both failed.
        """
        try:
            result = self.primary_executor()
        except Exception as e:
            print(f"Primary execution failed with error: {e}")
            try:
                result = self.fallback_executor()
            except Exception as f_e:
                print(f"Fallback execution also failed with error: {f_e}")
                result = None
        else:
            return result


# Example usage
def primary_function() -> int:
    """Divide 10 by a number and return the result."""
    num = input("Enter a non-zero divisor (or 'exit' to quit): ")
    if num.lower() == "exit":
        raise KeyboardInterrupt
    try:
        divisor = float(num)
        if divisor == 0:
            raise ZeroDivisionError("Cannot divide by zero.")
        return 10 / divisor
    except ValueError:
        print("Invalid input. Please enter a valid number.")


def fallback_function() -> int:
    """Fallback function to return a default value."""
    return 5


executor = FallbackExecutor(primary_function, fallback_function)

try:
    result = executor.execute()
    if result is not None:
        print(f"Result: {result}")
except KeyboardInterrupt:
    print("Program exited by user.")
```