save project

diy2.py

@@ -5,10 +5,10 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         break
-    if name!=username:
-        
+        print("登入成功！")
+    elif name!=username:
         print("用户名不存在，请重新输入!")
-    if password!=userpassword:
+    else password!=userpassword:
         print("密码不存在，请重新输入!")
 print("登录成功!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file