# -*- coding: utf-8 -*-
# @Time    : 2020/8/12-22:05
# @Author  : 贾志凯
# @File    : test.py
# @Software: win10  python3.6 PyCharm
class sum():
    def __init__(self):
        pass

    @staticmethod
    def sum(self):
        print("test")

def pri():
    print("aaa")