# -*- coding: utf-8 -*-
# @Author     ：AI悦创
# @DateTime   ：2019/9/11  22:44 
# @FileName   ：class_1.PY
# @Function   ：功能
# development_tool   ：PyCharm
# <-------import data-------------->
class Lei():
	def __init__(self, a, b):
		self.a = a
		self.b = b
	def sum1(self):
		c = self.a + self.b
		return c