human
Here's a good function header given the following:
I wrote the below code

    def task_id_in_map(body, message):
        return map.get(body[u'id'])
    return move(task_id_in_map, limit=len(map), **kwargs)

What's a good function header?
assistant
#Here's a good function header.

def move_by_idmap(map, **kwargs):