auto save

diy2.py

-username = "python"
-userpassword = "123456"
+username = "aaa"
+userpassword = "bbb"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     password = input("请输入密码:")
     password = input("请输入密码:")