在類中設定物件獲取物件刪除物件相當於字典操作

class Foo:
    def __init__(self):
        self.__data = {}
    def talk(self):
        print("test")
    def __call__(self, *args, **kwargs):
        print("running",args,kwargs)
    def __setitem__(self, key, value):
        self.__data[key] = value
    def __getitem__(self, item)
 
:
        return self.__data.get(item)
    def __delitem__(self, key):
        del self.__data[key]

c = Foo()
c.talk()
c(1,2,3,name="demo",age=20)
print(Foo.__dict__)

c.__setitem__('name','Dog')
print(c.__getitem__('name'))
c['name'] = "cat"
print(c.__getitem__('name'))

class Mytype(type):
    def
 
 __init__(self,what,bass=None,dict=None):
        super(Mytype,self).__init__(what,bass,dict)
    def __call__(self, *args, **kwargs):
        self.__init__(self,args,kwargs)
class Foo(object):
    def __init__(self,name):
        self.__name = name
        print("%s"%(self.__name))
    def __new__(cls, *args, **kwargs)
 
:
        print("new")
        return object.__new__(cls)
f = Foo("test")

**

1. new
   test

**