save project

diy1.py

@@ -6,6 +6,8 @@ while True:
     if name == userpassword_1 and userpassword_1==userpassword:
         print("登录成功")
         break
-    elif username_1 != username
-    print("有户名和密码错误!请重新输入"):
- print("欢迎来到贝了编程器")
+    elif name != username:
+        print("用户名错误")
+    else:
+        print("密码错误")
+print("欢迎来到贝尔编程器!")