013_v2 python基础语法

 

 

# 数据类型
# 一般操作

#coding:utf-8
none = None  # None
print(none, type(none))

bool = False
print(bool, type(bool))

int = 12
print(int, type(int))

float = 12.12
print(float, type(float))

str = "string"
print(str, type(str))

list = [None, 11, 11.11, "string"]
print(list, type(list))

tupe = (None, 11, 11.11, "string")
print(tupe, type(tupe))

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

 

None <class 'NoneType'>
False <class 'bool'>
12 <class 'int'>
12.12 <class 'float'>
string <class 'str'>
[None, 11, 11.11, 'string'] <class 'list'>
(None, 11, 11.11, 'string') <class 'tuple'>
{'name': 'zhang_san', 'age': 24, 'subject_list': ('English', 'Chinese', 'Math'), 'subject_content': {'English': 88, 'Chinese': 92, 'Math': 100}} <class 'dict'>