save project

diy2.py

@@ -6,5 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    print("用户名或密码错误!请重新输入")
+    if name != username:
+        print("憨包，用户名输入错误！")
+    if password != userpassword:
+        print("憨包,密码输入错误！")    
 print("欢迎来到贝尔编程!")
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