auto save

diy2.py

@@ -15,8 +15,14 @@ while True:
             i-=1
             print("您还有"+str(i)+"次")
             continue
+        
+            
         if name == username and password == userpassword:
             print("登录成功!")
+            print("欢迎来到贝尔编程!")
+            
             break
-        print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+    else:
+            print("您的次数已用完")
+            break
+