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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get(self, dash_id):
 """Read dashboard content. Args: dash_id: dashboard id. Returns: A dict containing the content of that dashboard, not include the meta info. """

        data = json.loads(r_db.hmget(config.DASH_CONTENT_KEY, dash_id)[0])
        return build_response(dict(data=data, code=200))