| f | import asyncio | f | import asyncio | 
            |  | import random |  | import random | 
            |  |  |  |  | 
            |  | class Seq: |  | class Seq: | 
            | n | _next_index = 0 | n | instance_num = 0 | 
            |  | _events = [] |  | events = [] | 
            |  |  |  |  | 
            |  | def __init__(self, name): |  | def __init__(self, name): | 
            |  | self.name = name |  | self.name = name | 
            | n | self.index = Seq._next_index | n | self.index = Seq.instance_num | 
            |  | Seq._next_index += 1 |  | Seq.instance_num += 1 | 
            |  | Seq._events.append(asyncio.Event()) |  | Seq.events.append(asyncio.Event()) | 
            |  | if self.index == 0: |  | if self.index == 0: | 
            | n | Seq._events[self.index].set() | n | Seq.events[self.index].set() | 
            |  |  |  |  | 
            |  | async def run(self): |  | async def run(self): | 
            | n | await Seq._events[self.index].wait() | n | await Seq.events[self.index].wait() | 
            |  | print(self.name) |  | print(self.name) | 
            | t | if self.index + 1 < len(Seq._events): | t | if self.index + 1 < len(Seq.events): | 
            |  | Seq._events[self.index + 1].set() |  | Seq.events[self.index + 1].set() | 
            |  | return self.name |  | return self.name |