save project

diy2.py

@@ -6,7 +6,7 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif name!=username
+        elif name!=username
     print("用户名错误!请重新输入")
 if password!=userpassword
 print("密码错误!请重新输入")