Hi @srozin, welcome to the community!
Check out these posts that had the same issue as you. You might have to kill all your processes before running the grader. Don’t worry, you will get a full mark if your program does as instructed:
Hi @srozin, welcome to the community!
Check out these posts that had the same issue as you. You might have to kill all your processes before running the grader. Don’t worry, you will get a full mark if your program does as instructed: