"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 23:49:14.852902
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a mechanism for executing functions with fallback strategies in case of errors.
    
    Attributes:
        primary_func (Callable): The main function to be executed.
        fallback_func (Callable): The backup function to use when the primary function fails.
        max_attempts (int): Maximum number of attempts before failing completely.
        
    Methods:
        execute: Attempts to execute the primary function. Falls back to the secondary function if necessary.
    """
    
    def __init__(self, primary_func: Callable[..., Any], fallback_func: Callable[..., Any], max_attempts: int = 3):
        self.primary_func = primary_func
        self.fallback_func = fallback_func
        self.max_attempts = max_attempts
    
    def execute(self) -> Any:
        for attempt in range(1, self.max_attempts + 1):
            try:
                result = self.primary_func()
                if result is not None:  # Check if the function returned a valid result
                    return result
            except Exception as e:
                print(f"Attempt {attempt} failed with error: {e}")
            
            if attempt < self.max_attempts:
                print("Using fallback function...")
                try:
                    result = self.fallback_func()
                    if result is not None:
                        return result
                except Exception as e:
                    print(f"Fallback function failed with error: {e}")
        
        raise RuntimeError("All attempts to execute the primary and fallback functions failed.")


# Example usage

def get_data_from_api() -> Any:
    """
    Simulate API call that may fail.
    """
    import requests
    response = requests.get('https://api.example.com/data')
    return response.json() if response.status_code == 200 else None


def get_data_from_database() -> Any:
    """
    Simulate database query function.
    """
    # Assume a simple in-memory storage for demonstration purposes
    data_store = {'key': 'data_value'}
    return data_store.get('key')


# Create an instance of FallbackExecutor
executor = FallbackExecutor(get_data_from_api, get_data_from_database)

try:
    data = executor.execute()
    print(f"Successfully retrieved data: {data}")
except Exception as e:
    print(e)
```