笔记

读文件 import pandas as pd df = pd.read_excel(‘data.xlsx’)…

import asyncio import threading # 传入name参数: async def h…

import asyncio import time print(“\n\n=== 2. 异步模式开始 (请注…

集合 # set s1 = {1, 2, 3, 4} print(type(s1)) print(s1) s1…