2017年9月4日
python 关于列表的增删改查及个别的命令
摘要： names = ["a","b","c","d","e","e","a"] #列表names2 = [1,2,3,4,5]#print(names[0:3])#切片#print(names[-2:])#切片#print(names[-2:-1])#切片''' -1 为最后一个位置 '''#print 阅读全文
posted @ 2017-09-04 23:53 蜗牛·哥 阅读(301) 评论(0) 推荐(0) 编辑