Do not bother. They will waste your time and money. The will promise that they can do the service without any problems. Charge money upfront (First red flag) then submit a random program that has NOTHING to do with the assignment. When you go back and communicate with them they are rude and try to get more money on every conversation. If you dare suggest a refund because of a grade of 0 they threaten to report you to the college and get you kicked out.
Avoid like the plague. Expensive life lesson.