8.8. 协程8.8.1. 协程函数定义 8.8.2. async for 语句 8.8.3. async with 语句 8.8. 协程 3.5 新版功能. 8.8.1. 协程函数定义 async_funcdef ::= [ decorators ] "async" "def" funcname "(" [ p...