save project

diy2.py

@@ -6,9 +6,10 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name !=username
+    elif name !=username:
         print("用户名错误!")
-    if password !=userpassword:
+        
+        password !=userpassword:
         print("密码错误!")