save project

diy2.py

 i=3
-username = "dwn"
-userpassword = "dwnNB"
+username = ""
+userpassword = ""#SB，没有密码，哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈
 while True:
     if i>0:
         name = input("请输入用户名:")