"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 14:32:35.708972
"""

```python
from typing import Callable, Any, Optional

class FallbackExecutor:
    """
    A class for executing a function with fallback behavior in case of errors.
    
    Attributes:
        primary_func (Callable): The main function to execute.
        fallback_func (Optional[Callable]): The fallback function to use if the primary function fails. Defaults to None.
        
    Methods:
        run: Attempts to execute the primary function and handles exceptions by falling back to an alternative function.
    """
    
    def __init__(self, primary_func: Callable[..., Any], fallback_func: Optional[Callable[..., Any]] = None):
        self.primary_func = primary_func
        self.fallback_func = fallback_func
    
    def run(self, *args: Any, **kwargs: Any) -> Any:
        try:
            return self.primary_func(*args, **kwargs)
        except Exception as e:
            if self.fallback_func is not None:
                print(f"Primary function failed with exception: {e}")
                return self.fallback_func(*args, **kwargs)
            else:
                raise RuntimeError("No fallback function provided and primary function execution failed.") from e

# Example usage
def divide(a: float, b: float) -> float:
    """Divide two numbers."""
    return a / b

def safe_divide(a: float, b: float) -> float:
    """Safe version of divide that handles division by zero."""
    if b == 0:
        return 0.0
    return a / b

# Create an instance with primary and fallback functions
executor = FallbackExecutor(divide, safe_divide)

# Test the functionality
result = executor.run(10, 2)  # Should be 5.0
print(result)

result = executor.run(10, 0)  # Should handle division by zero without error
print(result)
```

This Python code defines a `FallbackExecutor` class that encapsulates the behavior of executing a primary function and falling back to an alternative function if an exception occurs during execution. The example usage demonstrates how it can be used in practice.