容联云云通讯python2-》python3 https://blog.csdn.net/kk907528318/article/details/98250009?utm_medium=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.compare&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.compare csdn博客 你的无畏来源于你的无知!