auto save

diy2.py

@@ -5,8 +5,8 @@ while True:
     password = input("请输入密码:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+        break
+    if name !=username:
         print("密码输入有误，请重新输入！")
         print("密码输入有误，请重新输入！")
     if password != userpassword:
     if password != userpassword:
         print("密码输入有误，请重新输入！")
         print("密码输入有误，请重新输入！")