"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-05 22:59:24.016613
"""

```python
from typing import Callable, Any

class FallbackExecutor:
    """
    A class for creating a fallback executor that can handle errors and provide alternatives.
    
    Attributes:
        primary_executor (Callable): The main function to execute.
        fallback_executors (list[Callable]): A list of alternative functions to execute in case the primary function fails.
        error_handler (Callable, optional): A function to handle exceptions raised by the primary or fallback executors.
    
    Methods:
        execute: Attempts to execute the primary executor and falls back to alternatives if an exception occurs.
    """
    
    def __init__(self, primary_executor: Callable[..., Any], fallback_executors: list[Callable[..., Any]], error_handler: Callable[[Exception], None] = None):
        self.primary_executor = primary_executor
        self.fallback_executors = fallback_executors
        self.error_handler = error_handler
    
    def execute(self, *args, **kwargs) -> Any:
        """
        Attempts to execute the primary executor and falls back to alternatives if an exception occurs.
        
        Args:
            *args: Positional arguments passed to the primary_executor and fallback_executors.
            **kwargs: Keyword arguments passed to the primary_executor and fallback_executors.
        
        Returns:
            The result of the successfully executed function or None if all fallbacks fail.
        """
        try:
            return self.primary_executor(*args, **kwargs)
        except Exception as e:
            for fallback in self.fallback_executors:
                try:
                    return fallback(*args, **kwargs)
                except Exception:
                    continue
            if self.error_handler:
                self.error_handler(e)
            return None

# Example usage
def primary_function(x: int) -> int:
    """A function that divides two numbers."""
    return x // 2

def fallback1(x: int) -> int:
    """A simple fallback that returns a fixed value."""
    return 5

def fallback2(x: int) -> int:
    """Another fallback with different logic."""
    return x - 3

# Create an instance of FallbackExecutor
fallback_executor = FallbackExecutor(primary_function, [fallback1, fallback2])

# Test the example usage
result1 = fallback_executor.execute(10)
print(result1)  # Should print 5

result2 = fallback_executor.execute(7)
print(result2)  # Should print 4 because fallback2 returns 4 for input 7

try:
    result3 = fallback_executor.execute('a')
except TypeError as e:  # Handling potential exception from the primary function
    print(f"Caught an error: {e}")
```