auto save

diy.py

 i=3
+username = "python"
+userpassword = "123456"
 while True:
     if i>0:
-        username = "python"
-        userpassword = "123456"
         name=input("name:")
         password=input("password:")# 请用input()实现用户输入账号、密码的功能
         if  name == username and password == userpassword: