python中使用__class__, __bases__ and __dict__，__class____bases_,class super:

python中使用__class__, __bases__ and __dict__，__class____bases_,class super:

class super:     def hello(self):         self.data1 = 'spam'class sub(super):     def hola(self):         self.data2 = 'eggs'X = sub()X.__dict__{}print X.__class__print sub.__bases__print super.__bases__Y = sub()X.hello()print X.__dict__X.hola()print X.__dict__print sub.__dict__print super.__dict__print sub.__dict__.keys(), super.__dict__.keys()print Y.__dict__print X.data1, X.__dict__['data1']X.data3 = 'toast'print X.__dict__X.__dict__['data3'] = 'ham'print X.data3print X.__dict__print X.__dict__.keys()print dir(X)print  dir(sub)print dir(super)