遍历类的字典属性[重复]

Question

任何人都可以为这个简约示例提供适当的解决方案吗？我想遍历类的字典字段：

class MyClass:

    _a_dic : dict

    def __init__(self, a_dic : dict = None):
        if a_dic:
            self._a_dic = a_dic
        else:
            self._a_dic = {}

    @property
    def a_dic( self ):
        return self._a_dic

    def __iter__(self):
        ???

    def __next__(self):
        ???

bruh = MyClass( {'one' : 1, 'two' : 2} )

print( [ t for t in bruh ] )
> ['one', 'two']

print( [ bruh[t] for t in bruh ] )
> [1, 2]

我还想了解如果我使用列表而不是字典，这将如何工作。

Answer 1

只需实现__iter__ 以委托给该字典，

class MyClass:

    _a_dic : dict

    def __init__(self, a_dic : dict = None):
        if a_dic:
            self._a_dic = a_dic
        else:
            self._a_dic = {}
    
    def __iter__(self):
        return iter(self._a_dic)