auto save

diy1.py

@@ -9,5 +9,8 @@ while True:
     if a == username and b == userpassword:
     if a == username and b == userpassword:
         print("登陆成功")
         print("登陆成功")
         break
         break
-    else:
-        print("登陆失败")    
+    if a != username:
+        print("用户名错误")
\ No newline at end of file
+    if b != userpassword:
+        print("密码错误")
+print("不欢迎您😎")
\ No newline at end of file