auto save

diy2.py

-username = "python"
-userpassword = "123456"
+username = "a"
+userpassword = "1"
 while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
@@ -7,6 +7,8 @@ while True:
         print("登录成功!")
         break
     if name != username:
-        
-    print("用户名和密码错误!请重新输入")
+        print("sb,账号输错了")
+        c
+    if password != userpassword:
+        print("sb,密码输错了")
 print("欢迎来到贝尔编程!")
\ No newline at end of file