auto save

diy2.py

@@ -6,10 +6,10 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name!=username:
+    if name!=username
         print('账号输入错误')
         continue
-    if name!=userpassword:
+    :
         print('密码输入错误')
 print('欢迎来到编程世界')