save project

diy2.py

@@ -6,9 +6,6 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name !=usefname:
-        print("用户名错误，请重新输入！")
-        continue
-    ifpassword !=userpassword:
-        print("密码输入错误，请重新输入")
+    ifna
+        print
 print("欢迎来到贝尔编程!")
\ No newline at end of file