save project

diy2.py

@@ -6,5 +6,9 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    print("nmsl!好好输!")
+    if name != username:
+        print("nmsl!用户错了!")
+    if password != userpassword:
+        print("nmsl!密码错了!")
 print("welcome to nmsl !")      
+