"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 09:25:49.662782
"""

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


class FallbackExecutor:
    """
    A class for executing a function with fallback options.
    
    This class provides a mechanism to execute a primary function and,
    in case of failure or specific error conditions, revert to one or more 
    backup functions. It also allows logging the errors encountered.

    :param primary_function: The main function to be executed.
    :param backups: A list of fallback functions that will be tried sequentially if the primary function fails.
    :param log_errors: Whether to log any encountered errors (default is True).
    """

    def __init__(self, 
                 primary_function: Callable[..., Any], 
                 backups: Optional[List[Callable[..., Any]]] = None, 
                 log_errors: bool = True):
        self.primary_function = primary_function
        self.backups = backups if backups else []
        self.log_errors = log_errors

    def execute(self, *args: Any, **kwargs: Any) -> Any:
        """
        Execute the primary function with arguments provided. If an error occurs,
        attempt to use one of the fallback functions.
        
        :param args: Positional arguments for the primary and backup functions.
        :param kwargs: Keyword arguments for the primary and backup functions.
        :return: The result of the executed function, or None if all attempts fail.
        """
        try:
            return self.primary_function(*args, **kwargs)
        except Exception as e:
            if self.log_errors:
                print(f"Error occurred during execution: {e}")

            for backup in self.backups:
                try:
                    return backup(*args, **kwargs)
                except Exception as be:
                    if self.log_errors:
                        print(f"Backup function error: {be}")
        
        return None


# Example usage
def primary_function(x: int) -> int:
    """Divide x by 2."""
    return x / 2

def backup_function1(x: int) -> float:
    """Return a float equivalent of the division result from fallbacks."""
    return float(x // 2)

def backup_function2(x: int) -> float:
    """Another backup function with a different approach to division."""
    return x * 0.5

fallback_executor = FallbackExecutor(primary_function, [backup_function1, backup_function2])

# Test the functionality
result1 = fallback_executor.execute(10)
print(result1)  # Expected: 5.0 or close approximation based on fallbacks

try:
    result2 = primary_function('a')  # This will raise a TypeError
except TypeError as e:
    print(f"Error caught during primary function execution: {e}")
    
result3 = fallback_executor.execute('a')  # Should use backups
print(result3)  # Expected: either from backup_function1 or backup_function2
```