save project

diy1.py

@@ -8,10 +8,10 @@ while True:
     if name == username and password == userpassword
         print("登陆成功")
         break
-    if name != username:
+    else if name != username:
         print("用户名不存在！请重新输入")
         continue
-    if password != userpassword:
+    else password != userpassword:
         print("用户名和密码错误！请重新输入")
 print("欢迎来到贝尔编程")