“pconst”库在python上提供类似const的函数。
pconst的Python项目详细描述
#pconst
“pconst”库在python上提供类似const的函数。
=“apple”
打印(常量apple价格)
````
`````
````
`>100
````
恒常恐怖将被提高。
``
您还可以设置将dict和list值发送到const模块,并且它们将不可编辑(如果dict或list值包含dict或list,则将递归应用)。
``py
const.apple廑data={
'prince':100,
'name':'apple',
'sales廑list':[12300,25000,8200]}
print('price:',const.apple廑data['price'])
print('name:',const.apple_data['name'])
打印('sales_list:',const.apple_data['sales_list'])
````
````
```
价格:100
名称:apple
销售清单:[12300,25000,
````
```py
const.apple数据` price']=200
`````
```````
````````>constanterror:不允许更新dict值。
``````
````````py
const.apple数据`‘销售清单’][1]=9800
```````>br/>``````>````````
/>```````````````````````````````````br/>```
改变这些值就可以访问(例如len(),keys())。
``py
print(len(const.apple-apple-data['sales\u list'])
``````
``` `
`` ` ` `
` ` ` ` ` `
` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` name','sales_list'])
```
列出值,它会产生错误。
``py
const.apple数据更新({'se季:'winter'})
````
```````
>```````````````不允许更新dict值。
``````
`````
>````````
````````````
```````````
```````````
`pip install nose可能是这个pip命令需要“以管理员身份运行”。
,然后移动到pconst目录,并运行以下命令:
`````
$noests-s
````
“pconst”库在python上提供类似const的函数。
=“apple”
打印(常量apple价格)
````
`````
````
`>100
````
恒常恐怖将被提高。
``
您还可以设置将dict和list值发送到const模块,并且它们将不可编辑(如果dict或list值包含dict或list,则将递归应用)。
``py
const.apple廑data={
'prince':100,
'name':'apple',
'sales廑list':[12300,25000,8200]}
print('price:',const.apple廑data['price'])
print('name:',const.apple_data['name'])
打印('sales_list:',const.apple_data['sales_list'])
````
````
```
价格:100
名称:apple
销售清单:[12300,25000,
````
```py
const.apple数据` price']=200
`````
```````
````````>constanterror:不允许更新dict值。
``````
````````py
const.apple数据`‘销售清单’][1]=9800
```````>br/>``````>````````
/>```````````````````````````````````br/>```
改变这些值就可以访问(例如len(),keys())。
``py
print(len(const.apple-apple-data['sales\u list'])
``````
``` `
`` ` ` `
` ` ` ` ` `
` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` name','sales_list'])
```
列出值,它会产生错误。
``py
const.apple数据更新({'se季:'winter'})
````
```````
>```````````````不允许更新dict值。
``````
`````
>````````
````````````
```````````
```````````
`pip install nose可能是这个pip命令需要“以管理员身份运行”。
,然后移动到pconst目录,并运行以下命令:
`````
$noests-s
````