Python Object Reserved Property
파이썬은 underbar 대신 Symbol을 도입해야?
얘내들을 이용해서 Duck Typing
Python Object Reserved Properties
python __dict__
python __init__
python __setattr__
python __getattr__
Python __call__
Python __module__
Python __name__
Python __new__
Python __getattrribute__()
Python __mro__
Python __main__
Python __iter__
Python __all__
Python __import__
Python __del__
Python __len__
Python __getitem__
python __weakref__
Python object.__repr__()
Python object.__str__
Python object.__bytes__
Python object.__format__
Python object.__eq__()
Python __slots__
