auto save

diy2.py

+username = "python"
+userpassword = "123456"
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")NDGVFDXBNXFBXCBFCNXV
+    if name == username and password == userpassword:
+        print("登录成功!")
+    print("用户名和密码错误!请重新输")
+print("欢迎来到贝尔编程!")dbfg/.bhm/.xzvbxcmgnb？X'cXcc