"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 22:21:33.975248
"""

```python
from typing import Any, Callable


class FallbackExecutor:
    """
    A class that implements a fallback mechanism for function execution.
    
    This class takes multiple function handlers as arguments and tries to execute them in order.
    If one function fails or raises an exception, the next function is attempted. The first successful
    call will be returned.

    Parameters:
        *handlers (Callable): Variable number of callable functions that can handle the input data.

    Methods:
        fallback_execute(data: Any) -> Any: Executes handlers in order and returns the result.
    """

    def __init__(self, *handlers: Callable):
        self.handlers = handlers

    def fallback_execute(self, data: Any) -> Any:
        """
        Tries to execute each handler with the provided data until one succeeds.

        Args:
            data (Any): The input data to be passed to the handlers.
        
        Returns:
            Any: The result of the first successful function call or None if all fail.
        
        Raises:
            Exception: If a handler raises an exception, it is caught and the next handler is tried.
        """
        for handler in self.handlers:
            try:
                return handler(data)
            except Exception as e:
                print(f"Handler {handler} failed with error: {e}")
        return None


# Example usage
def handler1(data):
    """A simple handler that performs an operation on the input data."""
    result = 0 + data  # Adding 0 to simulate a valid operation
    if data < 5:
        raise ValueError("Input too small")
    return result

def handler2(data):
    """Another handler, this one returns data squared."""
    if data > 10:
        raise ValueError("Input too large")
    return data * data


# Creating an instance of FallbackExecutor with the handlers
fallback_executor = FallbackExecutor(handler1, handler2)

# Example calls to fallback_execute
print(fallback_executor.fallback_execute(4))  # Should work and print 4
print(fallback_executor.fallback_execute(15))  # Should fail and try next handler, prints 225 (15 squared)
```