AttributeError: 'dict' object has no attribute 'size'

回答: 报错AttributeError: 'dict' object has no attribute 'size'是因为字典对象没有size属性。\[3\]在Python中，字典对象没有size属性，而是使用len()函数来获取字典的大小。你可以使用len()函数来获取字典中键值对的数量。例如，如果你想获取一个字典的大小，你可以使用len()函数，如下所示：size = len(my_dict)。这将返回字典中键值对的数量。
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