摘要:
#串行执行 import time def consumer(res): '''任务1:接收数据,处理数据''' pass def producer(): '''任务2:生产数据''' res=[] for i in range(10000000): res.append(i) return res 阅读全文
摘要:
from sqlalchemy import create_engine,Column,String,Integer from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionm 阅读全文