save project

diy1.py

@@ -7,5 +7,9 @@ password = input("请输入密码：")
     if name == username and password == userpassword:
         print("登陆成功")
         break
+        if name!=username:
+            print("用户不存在，请重新输入")
+        if password!=userpassword:
+            print("密码不正确，请重新输入")
     print("用户名和密码错误！")
 print("你已进入一级战备状态，加油特种兵！")
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