auto save

diy2.py

+username = "谢谢槊"
+userpassword = "130705200909081830"
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == username and password == userpassword:
+        print("登录成功!")
+        break
+    print("用户名或密码错误!请重新输入")
+print("欢迎来到贝尔编程!")
\ No newline at end of file