async def METHOD_NAME(user_id):
    with plugins.runtime.DB as db:
        curr_items = await db.get(mk_list_key(user_id))
        await db.set(mk_list_key(user_id), [])
        print('Removed access to any corpus for the user.')
        print(('Removed values:\n\t{0}'.format(', '.join(curr_items))))