class
class Dog(object): #定义一个Dog类type = "宠物" #类的变量 def __init__(self,name,age,hobby): #def _init_(self):为固定组合是一个初始化方法，name,age,hobby分别为函数的形参 self.name = name #实例属性(变量) ...
def addd(*args):s = 0 for i in args: s = s + i return s all = addd(1,2,3,4,5)print(all)