# -*- coding:utf-8 -*-
#读取文件内容并在每一行加入——
def readfile(filename):
    #f = open(filename,'r',encoding='utf-8')
    with open(filename,'r',encoding='utf-8') as f:
        for i in f:
            yield '——'+i
for i in readfile('staff.db'):
    print(i.strip())