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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 returner(load):
    '''
    Return data to couchbase bucket
    '''
    cb_ = _get_connection()

    hn_key = '{0}/{1}'.format(load['jid'], load['id'])
    try:
        ret_doc = {'return': load['return'],
                   'full_ret': salt.utils.json.dumps(load)}

        cb_.add(hn_key,
               ret_doc,
               ttl=_get_ttl(),
               )
    except couchbase.exceptions.KeyExistsError:
        log.error(
            'An extra return was detected from minion %s, please verify '
            'the minion, this could be a replay attack', load['id']
        )
        return False