auto save

diy2.py

 username = "python"
 username = "python"
-userpassword = "123456"
-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！")
+userpassword = "132"
+name = input("请输入账号")
+password = input("请输入密码")
+if name == username and password == userpassword：
+        print("登录成功")
\ No newline at end of file
-    break   
-    print("登录失败,请重新输入")
-print("欢迎来到贝尔编程")
-    if print(username != "python"("用户名不存在,请重新输入")):
-        print(userpassword != "123456"("密码输入有误,请重新输入"))
\ No newline at end of file