Hello. First of all, I sincerely apologize for the inconvenience you experienced while taking the course. Due to an overseas business trip and issues with my mobile phone during that period, I was unable to check notifications and only recently saw the review and post you left in the community. I deeply apologize for this. Regarding the example code you inquired about, I initially judged that a single integrated example code was not essential because each function in this course is structured independently, so I did not provide it separately. However, it seems I did not sufficiently consider that this could lead to inconvenience during your studies. I apologize once again for failing to meet your expectations with the course. Although much time has passed, I would like to assist you with a refund if you wish. I know it is a hassle, but if you contact me again via my personal email (pinous.g@gmail.com), I will do my best to help you with the refund process. Thank you.