auto save

diy2.py

@@ -8,8 +8,7 @@ while True:
         break
     if name!=username:
         print("用户名错误！请重新输入！")
-        continue
-    if password!=userpassword:
+    elif password!=userpassword:
         print("密码不正确！请重新输入！")
         
 print("欢迎来到贝尔编程!")
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