class A(object):     tiao = "类属性"  def sing(self,name): self.name = name return  self.name @classmethod  def hang(cls,*args): return args @staticmethod  def run(): return '静态方法' x = A() print(x) print(x.tiao) print(x.sing('实例方法')) print(x.hang('类方法')) print(x.run()) print('--------------------------') print(A.tiao) print(A.sing('实例方法')) print(A.run()) print(A.hang('类方法'))