V.jZddlmZmZddlmZddlmZmZm Z e dZ GddeZy))AnyCallable)BackgroundTasks) AnnotatedDoc ParamSpecPc|eZdZdZdeeeefedfdejdejddffd Z xZ S) raG 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"} ``` funcz The function to call after the response is sent. It can be a regular `def` function or an `async def` function. argskwargsreturnNc*t||g|i|S)z Add a function to be called in the background after the response is sent. Read more about it in the [FastAPI docs for Background Tasks](https://fastapi.tiangolo.com/tutorial/background-tasks/). )superadd_task)selfr r r __class__s TC:\xampp\htdocs\tradingbinance\backend\.venv\Lib\site-packages\fastapi/background.pyrzBackgroundTasks.add_task&s*w6t6v66) __name__ __module__ __qualname____doc__rrr rrr r r __classcell__)rs@rrr sc87 QV      7vv7((7 77rrN) typingrrstarlette.backgroundrStarletteBackgroundTaskstyping_extensionsrrrr rrr s' L77 cN27.27r