python dictionary（字典）

#!/usr/bin/env python# -*- coding: utf-8 -*-__author__ = 'Administrator'#key-valueinfo={    'stu1101':"wangchuanlu",    'stu1102':"wenyuhao",    'stu1103':"chentianhao",}print(info)#print(info["stu1101"])info["stu1103"]="jiangpengfei"#info["stu1104"]="zhukongming"#del info["stu1104"]#info.pop("stu1104")#info.popitem()print(info)#print(info.get("stu1104"))#print("stu1103" in info)