python 那些‘魔法函数’

#__setattr__ __delattr__
class Test:

    def __init__(self, **kwargs):
        for k, v in kwargs.items():
            setattr(self, k, v)

    def __delattr__(self, item):
        print(item)

    def __setattr__(self, key, value):
        print(key, value)
t = Test(name='zhangsan', heigth=180)