你也可以用類別來宣告變數的型別。

假設你有一個 `Person` 類別，帶有名稱：

{* ../../docs_src/python_types/tutorial010_py310.py hl[1:3] *}

接著你可以宣告一個變數為 `Person` 型別：

{* ../../docs_src/python_types/tutorial010_py310.py hl[6] *}

然後，你一樣會得到完整的編輯器支援：

<img src="/img/python-types/image06.png">

請注意，這表示「`one_person` 是類別 `Person` 的『實例（instance）』」。

並不是「`one_person` 就是名為 `Person` 的『類別（class）』」。

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你也可以把类声明为变量的类型。

假设你有一个名为 `Person` 的类，带有 name：

{* ../../docs_src/python_types/tutorial010_py310.py hl[1:3] *}

然后你可以声明一个变量是 `Person` 类型：

{* ../../docs_src/python_types/tutorial010_py310.py hl[6] *}

接着，你会再次获得所有的编辑器支持：

<img src="/img/python-types/image06.png">

注意，这表示“`one_person` 是类 `Person` 的一个实例（instance）”。

它并不表示“`one_person` 是名为 `Person` 的类本身（class）”。