"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 03:49:20.500600
"""

```python
from typing import Any, Callable


class FallbackExecutor:
    """
    A class that provides a mechanism for executing functions with fallbacks in case of errors.
    
    Attributes:
        primary_func (Callable): The main function to be executed.
        fallback_funcs (list[Callable]): List of fallback functions to be tried in order if the primary function fails.
    
    Methods:
        execute: Attempts to execute the primary function, falling back to subsequent functions on error.
    """
    
    def __init__(self, primary_func: Callable[..., Any], *fallback_funcs: Callable[..., Any]):
        self.primary_func = primary_func
        self.fallback_funcs = list(fallback_funcs)
    
    def _execute(self, func: Callable[..., Any], *args, **kwargs) -> Any:
        """Attempts to execute the function with provided arguments and returns the result."""
        return func(*args, **kwargs)
    
    def execute(self, *args, **kwargs) -> Any:
        """
        Attempts to execute the primary function, falling back to subsequent functions on error.
        
        Args:
            *args: Positional arguments passed to the primary function and fallbacks.
            **kwargs: Keyword arguments passed to the primary function and fallbacks.
            
        Returns:
            The result of the successfully executed function or None if all fail.
        """
        try:
            return self._execute(self.primary_func, *args, **kwargs)
        except Exception as e1:
            for func in self.fallback_funcs:
                try:
                    return self._execute(func, *args, **kwargs)
                except Exception as e2:
                    continue
            return None


# Example Usage

def primary_function(x: int) -> int:
    """A simple function that may fail if input is negative."""
    if x < 0:
        raise ValueError("Input cannot be negative")
    return x * 10


def fallback_function_1(x: int) -> int:
    """Fallback function that returns zero for negative inputs."""
    print(f"Using fallback function 1 with input {x}")
    return 0


def fallback_function_2(x: int) -> int:
    """Another fallback function that logs the error and returns -1."""
    print(f"Using fallback function 2 with input {x}")
    raise ValueError("Fallback failed")

# Create a FallbackExecutor instance
executor = FallbackExecutor(primary_function, fallback_function_1, fallback_function_2)

# Example calls
print(executor.execute(5))  # Normal case: prints 50
print(executor.execute(-5))  # Error case: uses fallbacks; prints "Using fallback function 1 with input -5" and returns 0
```