class A:

    dict_1 = 456

    def __init__(self):

        self.dict_1 = 'abcdsafdsf'

    #当增加@staticmethod 时为类方法

    @staticmethod

    def edf():

        print '\nstatic method edf'

    #为实例方法 a = A() self代表a

    def abc(self):

        print '\ninstance method abc'

        print(self.dict_1)

a = A()

print(a.dict_1)

a.abc()

print type(a)

A.edf()

print type(A)