"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 15:14:54.462759
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for executing a function with fallback mechanisms in case of errors.
    
    Args:
        primary_func: The main function to be executed.
        fallback_func: An optional function to run if the primary_func fails. It should have the same signature as primary_func.
        max_attempts: Maximum number of attempts before giving up, default is 3.
        
    Raises:
        RuntimeError: If all attempts fail and a fallback function is not provided.
    """
    
    def __init__(self, primary_func: Callable[..., Any], fallback_func: Callable[..., Any] = None, max_attempts: int = 3):
        self.primary_func = primary_func
        self.fallback_func = fallback_func
        self.max_attempts = max_attempts
    
    def execute(self) -> Any:
        attempt = 0
        while attempt < self.max_attempts:
            try:
                result = self.primary_func()
                return result
            except Exception as e:
                if self.fallback_func and attempt + 1 < self.max_attempts:
                    result = self.fallback_func()
                    return result
                else:
                    attempt += 1
        raise RuntimeError("All attempts failed without a fallback function.")
    

# Example usage:

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

def safe_divide(a: int, b: int) -> float:
    """Safe division that handles zero division error with a fallback to 0.0."""
    if b == 0:
        return 0.0
    return a / b


# Using FallbackExecutor
fallback_executor = FallbackExecutor(
    primary_func=lambda: divide(10, 2),
    fallback_func=lambda: safe_divide(10, 2)
)

result = fallback_executor.execute()
print(f"Result: {result}")

# Simulating failure
try:
    result = fallback_executor.execute(lambda: divide(10, 0))
except RuntimeError as e:
    print(e)


```