save project

diy1.py

@@ -8,6 +8,10 @@ while True:
     if username == name and userpassword == password:
     if username == name and userpassword == password:
         print("欢迎")
         print("欢迎")
         break
         break
+    if name!= username：
+        print("用户名错误") 
+    if password != userpassword：
+        print("密码错误")      
     print("错误")  
     print("错误")  
 print("欢迎")          
 print("欢迎")