"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 12:36:55.076741
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class for executing functions with fallbacks in case of errors.
    
    :param primary_executor: The primary function to execute.
    :param secondary_executors: A list of fallback functions.
    :type primary_executor: Callable[[], Any]
    :type secondary_executors: List[Callable[[], Any]]
    """
    def __init__(self, primary_executor: Callable[[], Any], 
                 secondary_executors: list[Callable[[], Any]] = []):
        self.primary_executor = primary_executor
        self.secondary_executors = secondary_executors

    def execute(self) -> Any:
        """Execute the primary function. If it fails, attempt fallbacks."""
        try:
            return self.primary_executor()
        except Exception as e:
            print(f"Primary execution failed: {e}")
            
            # Attempt to use each fallback executor in sequence
            for fallback in self.secondary_executors:
                try:
                    return fallback()
                except Exception as fe:
                    print(f"Fallback execution failed: {fe}")

    @classmethod
    def with_fallbacks(cls, primary_executor: Callable[[], Any], *fallback_executors: Callable[[], Any]):
        """Factory method to create an instance of FallbackExecutor."""
        return cls(primary_executor=primary_executor, secondary_executors=list(fallback_executors))


# Example usage
def read_from_file(filename: str) -> str:
    """
    Simulate reading from a file that might not exist.
    
    :param filename: The name of the file to read.
    :return: Content of the file or an error message if the file does not exist.
    :raises FileNotFoundError: If the file is not found and no fallbacks are available.
    """
    with open(filename, 'r') as f:
        return f.read()

def read_from_network(url: str) -> str:
    """Simulate reading from a network resource."""
    import requests
    response = requests.get(url)
    if response.status_code == 200:
        return response.text
    else:
        raise Exception("Network request failed")

def fallback_read_from_memory() -> str:
    """Fallback to reading from memory instead of file or network."""
    return "Default content"

# Create a FallbackExecutor instance with multiple fallbacks
fallback_executor = FallbackExecutor.with_fallbacks(
    primary_executor=read_from_file,
    fallback_executors=[
        read_from_network,
        fallback_read_from_memory
    ]
)

try:
    result = fallback_executor.execute("nonexistentfile.txt")
except FileNotFoundError as e:
    print(f"File not found: {e}")
else:
    print(result)
```