save project

diy1.py

-username = "python"    # 保存在服务器数据库中的用户账号（
+username = "man"
\ No newline at end of file
+userpassword = "2019223"
+while True:
+    name = input("请输入用户名")
+    password = input("请输入密码")
+    if name==username and password==userpassword:
+        print("登陆成功")
+        break
+    print("登陆失败")
+print("欢迎回来，牢大")
\ No newline at end of file