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It's not your work you would be turning in if someone else has had a say in what's in it.

If you have specific questions about the code, ask them.

If this is homework that you will be graded on, how is it fair to other students if you get someone to "pre-grade" your work?

The items in the requirements are nicely listed. Check the items in the list against what the code does to see if there are any that have not been done.