"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 06:06:58.511962
"""

```python
class FallbackExecutor:
    """
    A class to handle task execution with fallback mechanisms in case of errors.
    
    Args:
        primary_executor (callable): The main function responsible for executing a task.
        fallback_executors (list[callable]): A list of functions that can be used as fallbacks if the primary executor fails.

    Methods:
        execute(task: dict) -> Any: Executes the given task using the primary executor and falls back to other executors if necessary.
    """
    
    def __init__(self, primary_executor: callable, fallback_executors: list[callable]):
        self.primary_executor = primary_executor
        self.fallback_executors = fallback_executors

    def execute(self, task: dict) -> Any:
        """
        Executes the given task using the primary executor and falls back to other executors if necessary.
        
        Args:
            task (dict): A dictionary containing the task details that the executors expect.

        Returns:
            Any: The result of executing the task or a fallback, depending on success.
        """
        try:
            return self.primary_executor(task)
        except Exception as e:
            print(f"Primary executor failed with error: {e}")
            for fallback in self.fallback_executors:
                try:
                    return fallback(task)
                except Exception as fe:
                    print(f"Fallback executor failed with error: {fe}")

# Example Usage
def primary_task_execution(task):
    """Example of a task that might fail."""
    if task['input'] < 0:
        raise ValueError("Input must be positive")
    return task['input'] * 2

def fallback1(task):
    """First fallback function for primary_task_execution"""
    print("Executing fallback 1")
    return task['input'] + 5

def fallback2(task):
    """Second fallback function if the first one fails."""
    print("Executing fallback 2")
    return task['input'] - 3

# Creating instances of fallback functions
fallbacks = [fallback1, fallback2]

# Instantiating FallbackExecutor with primary and fallback executors
executor = FallbackExecutor(primary_task_execution, fallbacks)

# Example tasks
task_positive = {'input': 10}
task_negative = {'input': -5}

result_positive = executor.execute(task_positive)  # Should return 20
print(f"Result for positive input: {result_positive}")

result_negative = executor.execute(task_negative)  # Should fall back and eventually use fallback2 returning 2
print(f"Result for negative input: {result_negative}")
```