> For the complete documentation index, see [llms.txt](https://eastlakeside.gitbook.io/interpy-zh/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eastlakeside.gitbook.io/interpy-zh/introspection/type_and_id.md).

# type和id

`type` 函数返回一个对象的类型。举个例子：

```python
print(type(''))
# Output: <type 'str'>

print(type([]))
# Output: <type 'list'>

print(type({}))
# Output: <type 'dict'>

print(type(dict))
# Output: <type 'type'>

print(type(3))
# Output: <type 'int'>
```

`id()` 函数返回任意不同种类对象的唯一ID，举个例子：

```python
name = "Yasoob"
print(id(name))
# Output: 139972439030304
```