save project

diy2.py

@@ -5,6 +5,10 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
+        break
+    if name != username
+        print("账号名错了，请重输！")
+    if password != userpassword:
+        print("密码错了，请重输！")
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
-    break
\ No newline at end of file