Python 組み込み関数のローカル

>>> locals()
{&#39;__package__&#39;: None, &#39;__loader__&#39;: <class &#39;_frozen_importlib.BuiltinImporter&#39;>, &#39;__doc__&#39;: None, &#39;__name__&#39;: &#39;__main__&#39;, &#39;__builtins__&#39;: <module &#39;builtins&#39; (built-in)>, &#39;__spec__&#39;: None}

>>> a = 1

>>> locals() # 多了一个key为a值为1的项
{&#39;__package__&#39;: None, &#39;__loader__&#39;: <class &#39;_frozen_importlib.BuiltinImporter&#39;>, &#39;a&#39;: 1, &#39;__doc__&#39;: None, &#39;__name__&#39;: &#39;__main__&#39;, &#39;__builtins__&#39;: <module &#39;builtins&#39; (built-in)>, &#39;__spec__&#39;: None}

>>> def f():
    print('before define a ')
    print(locals()) #作用域内无变量
    a = 1
    print('after define a')
    print(locals()) #作用域内有一个a变量，值为1

    
>>> f
<function f at 0x03D40588>
>>> f()
before define a 
{} 
after define a
{&#39;a&#39;: 1}