save project

diy1.py

@@ -6,9 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功")
         break
-    if name != userpassword:
+    elif name != userpassword:
         print("用户名不存在！请重新输入")
-        continue
-    if password != userpassword:
+    else:
         print("密码不存在！请重新输入")
 print("欢迎来到贝尔编程！")
\ No newline at end of file