save project

diy2.py

@@ -7,9 +7,12 @@ while True:
         print("登录成功!")
         break
     if name != username:
-        print("账号错误")
+        print("账号不存在")
+        contincce
     if password != userpassword:
         print("密码错误")
+    
+
 print("欢迎来到贝尔编程!")
 
      
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