def get_user_role(self):
<EOL>if hasattr(self, "<STR_LIT>"):<EOL><INDENT>return self.xmodule_runtime.get_user_role()<EOL><DEDENT>else:<EOL><INDENT>return '<STR_LIT>'<EOL><DEDENT>
Create a student_item_dict from our surrounding context.

        See also: submissions.api for details.

        Args:
            anonymous_user_id(str): A unique anonymous_user_id for (user, course) pair.
        Returns:
            (dict): The student item associated with this XBlock instance. This
                includes the student id, item id, and course id.