摘要: class vecter3: def __init__(self,x=0,y=0,z=0): self.x = x self.y = y self.z = z def __add__(self,n): # + __add__意味着+号,系统自动识别 return vecter3(self.x+n.x 阅读全文
posted @ 2019-04-17 22:34 罗非鱼plus 阅读(125) 评论(0) 推荐(0)