save project

diy2.py

@@ -4,6 +4,8 @@ while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
+       name != username and password != userp     
+
         print("登录成功!")
         break
     print("用户名和密码错误!请重新输入")