save project

diy1.py

@@ -8,8 +8,10 @@ while True:
 
 # 如果用户输入的账号、密码正确，提示登陆成功
     if name==username and  password==userpassword:
-        print("登录成功")
+        print("登录成功！")
         break
-        print("不正确，请重新输入！")
-
+    if name != username:
+        print("用户名不正确，请重新输入！")
+    if password != userpassword:
+        print("密码不正确，请重新输入！")
 print("欢迎来到贝尔编程！")
\ No newline at end of file