cyg02

摘要： names = ["zhangsan","lisi","wangwu","zhaoliu"]#从列表中取出来元素print(names[0:3])#打印第0个到第2个元素，取左不取右print(names[-1])#打印列表的最后一个元素#添加元素names.append("qianqi")#app 阅读全文