"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 02:59:32.021299
"""

```python
from typing import Callable


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

    :param primary_func: The primary function to attempt execution.
    :param fallback_func: The fallback function to try in case of failure.
    """

    def __init__(self, primary_func: Callable[[], None], fallback_func: Callable[[], None]):
        self.primary_func = primary_func
        self.fallback_func = fallback_func

    def execute(self) -> None:
        """
        Execute the primary function. If an exception occurs,
        attempt to execute the fallback function.
        """
        try:
            self.primary_func()
        except Exception as e:
            print(f"An error occurred: {e}")
            self.fallback_func()

# Example usage
def main_function() -> None:
    """Primary function that may fail."""
    raise ValueError("Oops, something went wrong!")

def fallback_function() -> None:
    """Fallback function to be executed if the primary fails."""
    print("Executing fallback function.")

if __name__ == "__main__":
    executor = FallbackExecutor(main_function, fallback_function)
    executor.execute()
```

This code creates a `FallbackExecutor` class that attempts to execute a primary function. If an exception is raised during execution of the primary function, it catches the error and runs a fallback function instead. The example usage demonstrates how to use this class with two simple functions.