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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 insert(self, ns, docid, raw, **kw):
 """ Perform a single insert operation. {'docid': ObjectId('4e95ae77a20e6164850761cd'), 'ns': u'mydb.tweets', 'raw': {u'h': -1469300750073380169L, u'ns': u'mydb.tweets', u'o': {u'_id': ObjectId('4e95ae77a20e6164850761cd'), u'content': u'Lorem ipsum', u'nr': 16}, u'op': u'i', u'ts': Timestamp(1318432375, 1)}} """

        try:
            self._dest_coll(ns).insert(raw['o'], safe=True)
        except DuplicateKeyError, e:
            logging.warning(e)