2017-12-19python全栈9期第四天第一节之昨日内容回顾与作业讲解之插入insert和extend时间:2023-03-09 16:17:20 #!/user/bin/python# -*- coding:utf-8 -*-li = ['zs','ls','ww','zl']li.insert(4,'cc')print(li)li.extend('pl')li.extend([1,3,4,5])print(li)print(li)