014_v2 python基础语法_dict

 

 

#coding:utf-8

dict = {
        "name" : "zhang_san",
        "age" : 24,
        "subject_list" : ("English", "Chinese", "Math"),
        "subject_content" : {
                'English' : 88,
                "Chinese" : 92,
                "Math" : 100
        }
}

print(dict)

# 增
dict["sex"] = "man"
print(dict)

# 删
del(dict["name"])
print(dict)

# 改
dict["age"] = 22
print(dict)

# 查
print(dict["subject_list"])

# 查询 : 字典中字典
print(dict["subject_content"]["English"])

 

{'name': 'zhang_san', 'age': 24, 'subject_list': ('English', 'Chinese', 'Math'), 'subject_content': {'English': 88, 'Chinese': 92, 'Math': 100}}
{'name': 'zhang_san', 'age': 24, 'subject_list': ('English', 'Chinese', 'Math'), 'subject_content': {'English': 88, 'Chinese': 92, 'Math': 100}, 'sex': 'man'}
{'age': 24, 'subject_list': ('English', 'Chinese', 'Math'), 'subject_content': {'English': 88, 'Chinese': 92, 'Math': 100}, 'sex': 'man'}
{'age': 22, 'subject_list': ('English', 'Chinese', 'Math'), 'subject_content': {'English': 88, 'Chinese': 92, 'Math': 100}, 'sex': 'man'}
('English', 'Chinese', 'Math')
88