"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 08:33:05.755694
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for creating a fallback mechanism in function execution.
    
    This class allows you to define multiple functions that can be executed,
    and it will try each one until a successful execution or the last fallback is reached.
    """

    def __init__(self):
        self._fallbacks: list[Callable] = []

    def add_fallback(self, func: Callable) -> None:
        """
        Add a new function as a fallback to be tried in case of errors.

        :param func: A callable that takes no arguments and returns any type.
        """
        self._fallbacks.append(func)

    def execute(self) -> Any:
        """
        Try each fallback until one succeeds or all have been attempted.

        :return: The result of the first successfully executed function, else None.
        """
        for func in self._fallbacks:
            try:
                return func()
            except Exception as e:
                print(f"Error during execution: {e}")
        return None


# Example usage
def fallback_1():
    """Fallback function 1."""
    print("Executing fallback 1")
    return "Result from fallback 1"

def fallback_2():
    """Fallback function 2."""
    print("Executing fallback 2")
    raise ValueError("Simulated error")

def fallback_3():
    """Fallback function 3."""
    print("Executing fallback 3")
    return "Success from fallback 3"


# Creating an instance of FallbackExecutor
executor = FallbackExecutor()

# Adding fallbacks
executor.add_fallback(fallback_1)
executor.add_fallback(fallback_2)
executor.add_fallback(fallback_3)

# Executing the fallbacks and printing the result
result = executor.execute()
print(f"Final result: {result}")
```
```python
# Output:
# Executing fallback 1
# Final result: Result from fallback 1
```