"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 13:11:22.895095
"""

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


class FallbackExecutor:
    """
    A class for creating a fallback executor that attempts multiple strategies to solve a problem.
    
    Attributes:
        strategies (list[Callable]): A list of functions representing different strategies to execute.
        default_value (Any): The value to return if all strategies fail.

    Methods:
        __call__(self, *args, **kwargs) -> Any: Execute the first successful strategy or return the default value.
    """
    
    def __init__(self, strategies: list[Callable], default_value: Any):
        self.strategies = strategies
        self.default_value = default_value
    
    def __call__(self, *args, **kwargs) -> Any:
        for strategy in self.strategies:
            try:
                result = strategy(*args, **kwargs)
                if result is not None:  # Ensure the strategy actually returns a value.
                    return result
            except Exception as e:
                print(f"Strategy {strategy} failed with error: {e}")
        
        return self.default_value


# Example usage:

def multiply(x: int, y: int) -> int:
    """Multiply two integers."""
    return x * y

def divide(x: int, y: int) -> float:
    """Divide one integer by another."""
    if y != 0:
        return x / y
    else:
        raise ValueError("Division by zero is not allowed")

def add(x: int, y: int) -> int:
    """Add two integers."""
    return x + y


# Create fallback executor with default value 0
fallback_executor = FallbackExecutor(
    strategies=[multiply, divide, add],
    default_value=0
)

# Test the fallback Executor
result = fallback_executor(10, 5)  # Should execute multiply and return 50
print(result)

result = fallback_executor(10, 0)  # Should not execute divide due to exception, then execute add and return 10
print(result)
```