auto save

diy2.py

@@ -6,9 +6,8 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-        if name != username
+    if name != username:
         print("账号错误")
         print("账号错误")
-        if password != userpassword  and name != username
+    if password != userpassword and name == username:
         print("密码错误")
         print("密码错误")
-   print("输入失败")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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