def make_grouping(self, course: Course, survey: Survey) -> Grouping:
        """
        Return a grouping for all students in <course>.

        The first group should contain the students in <course> whose names come
        first when sorted alphabetically, the second group should contain the
        next students in that order, etc.

        All groups in this grouping should have exactly self.group_size members
        except for the last group which may have fewer than self.group_size
        members if that is required to make sure all students in <course> are
        members of a group.

        Hint: the sort_students function might be useful
        """
        students = list(course.get_students())
        students_sorted = slice_list((sort_students(students, 'name')),
                                     self.group_size)
        final = Grouping()

        for lst in students_sorted:
            x = Group(lst)
            final.add_group(x)
        return final