Asynchronous processing is essential for achieving high-speed network communication and parallel processing in Python. At its core are asynchronous functions (coroutines) defined with the async def ...

# event_loop 事件循环：程序开启一个无限循环，把一些函数注册到事件循环上，当满足事件发生的时候，调用相应的协程函数 ...

Learn how to use asynchronous programming in Python 3.13 and higher. Get more done in less time, without waiting. Asynchronous programming, or async, is a feature of many modern languages that allows ...

WHAT async is -- your first coroutine. An `async def` function is special: calling it does NOT run it. It hands you a "coroutine" object -- a recipe that hasn't been cooked yet. You need an event ...