@SchwarzeR 哈哈哈哈，这个架势让我想起 Python 的前摇，和一般的前摇不一样

```
class FastAPI(Starlette):
"""
技能前摇开始
"""
开始施法
```


```
class BackgroundTasks(StarletteBackgroundTasks):
"""
A collection of background tasks that will be called after a response has been
sent to the client.

Read more about it in the
[FastAPI docs for Background Tasks]( https://fastapi.tiangolo.com/tutorial/background-tasks/).

## Example

```python
from fastapi import BackgroundTasks, FastAPI

app = FastAPI()


def write_notification(email: str, message=""):
with open("log.txt", mode="w") as email_file:
cOntent= f"notification for {email}: {message}"
email_file.write(content)


@app.post("/send-notification/{email}")
async def send_notification(email: str, background_tasks: BackgroundTasks):
background_tasks.add_task(write_notification, email, message="some notification")
return {"message": "Notification sent in the background"}
```
"""

def add_task(
```