Imagine a student coming to a professor, the first week of class, and asking: “Hey professor, I really need this course to graduate, but I don’t really want to do the assignments you’ve listed on the syllabus. Can you make up a single, alternate assignment—preferably an easier one—that I can just do the last week of class and pass the course?”
Of course the answer would be no. Why should the answer be any different when the question is asked at the end of the course?
Ask them if they were playing baseball whether they would allow the other side as many strikes as it takes to get a home run.