save project

diy1.py

@@ -6,9 +6,9 @@ while True:
     if name==username and passwork==userpassword:
         print("登陆成功!")
         break
-    if name!=username:
+    elif name!=username:
         print("用户名不存在,请重新输入!")
         continue
-    if passwork!=userpassword:
+    else:
         print("密码输入有误,请重新输入!")
 print("欢迎来到贝尔编程!")