def get_answers_for_student(student_item):
submissions = sub_api.get_submissions(student_item)<EOL>if not submissions:<EOL><INDENT>return Answers()<EOL><DEDENT>latest_submission = submissions[<NUM_LIT:0>]<EOL>latest_answer_item = latest_submission.get('<STR_LIT>', {})<EOL>return Answers(latest_answer_item.get(ANSWER_LIST_KEY, []))<EOL>
Retrieve answers from backend for a student and question

Args:
    student_item (dict): The location of the problem this submission is
        associated with, as defined by a course, student, and item.

Returns:
    Answers: answers for the student