"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 11:33:09.649981
"""

```python
class FallbackExecutor:
    """
    A class for handling limited error recovery in executing tasks.
    
    This executor tries to run a task, and if an exception occurs,
    it attempts to execute a fallback task instead.

    Attributes:
        _primary_task (Callable): The primary task function to be executed.
        _fallback_task (Callable): The fallback task function to be executed on error.
    
    Methods:
        execute: Executes the primary task or falls back to the secondary task if an exception occurs.
    """
    
    def __init__(self, primary_task: Callable[[], Any], fallback_task: Callable[[], Any]):
        self._primary_task = primary_task
        self._fallback_task = fallback_task
    
    def execute(self) -> None:
        try:
            self._primary_task()
        except Exception as e:
            print(f"Primary task failed with error: {e}")
            self._fallback_task()

# Example usage

def primary_data_fetch() -> None:
    """Fetches data from the main source."""
    try:
        # Simulate fetching data
        print("Fetching data from main source...")
    except Exception as e:
        raise Exception(f"Failed to fetch data: {e}")

def fallback_data_fetch() -> None:
    """Fetched data from a backup source."""
    try:
        # Simulate fetching data from a backup source
        print("Fetching data from backup source...")
    except Exception as e:
        raise Exception(f"Backup fetch failed: {e}")

# Create instances for the tasks
primary = primary_data_fetch
fallback = fallback_data_fetch

executor = FallbackExecutor(primary, fallback)
executor.execute()
```