"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 07:58:52.741271
"""

```python
from typing import Callable, Any

class FallbackExecutor:
    """
    A class that provides a mechanism for executing a function with fallbacks in case of errors.

    Args:
        primary_function: The main function to execute.
        fallback_functions: A list of functions to try if the primary function fails. Each function
                            should have the same signature as the primary function.
    
    Raises:
        Exception: If all fallback functions also fail after the primary function.
    """
    def __init__(self, primary_function: Callable[..., Any], fallback_functions: list[Callable[..., Any]]):
        self.primary_function = primary_function
        self.fallback_functions = fallback_functions

    def execute(self) -> Any:
        """Execute the primary function and handle errors by trying fallbacks."""
        try:
            return self.primary_function()
        except Exception as e:
            for fallback_func in self.fallback_functions:
                try:
                    return fallback_func()
                except Exception:
                    continue
            raise Exception("All functions failed.") from e

# Example usage:

def primary_data_fetch() -> str:
    """Fetch data; simulate failure."""
    # Simulate a network error
    raise ConnectionError("Network is down")

def secondary_data_fetch() -> str:
    """Secondary attempt to fetch data, using local cache."""
    return "Data from local cache"

def tertiary_data_fetch() -> str:
    """Tertiary attempt, using a mock dataset."""
    return "Mock data"

# Create instances of the functions
primary_function = primary_data_fetch
fallback_functions = [secondary_data_fetch, tertiary_data_fetch]

# Initialize FallbackExecutor and execute it
executor = FallbackExecutor(primary_function, fallback_functions)
result = executor.execute()

print(f"Result: {result}")
```