Hi,

Just few minutes ago, I tried to upload my first homework file, but there was an error and the file was submitted without being uploaded.
There was an error on my computer that no files were attached, and I closed the website.
I thought the web site was off, but it turned on again when the time limit was over.
When I checked, I was notified that the homework submission was completed without the file uploaded.
I was informed in advance that it would be difficult to turn around if I made a mistake,
and I know it would be difficult, but It was my first task. so I would like to ask if I can resubmit the assignment.
I'll never make same mistake again.
I'm terribly sorry. I look forward to your answer.

-Byeol