python dictionary(字典)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
__author__ = 'Administrator'
#key-value
info={
'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)
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