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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_serv(ret):
    '''
    Return a memcache server object
    '''

    _options = _get_options(ret)
    host = _options.get('host')
    port = _options.get('port')

    log.debug('memcache server: %s:%s', host, port)
    if not host or not port:
        log.error('Host or port not defined in salt config')
        return

    # Combine host and port to conform syntax of python memcache client
    memcacheoptions = (host, port)

    return memcache.Client(['{0}:{1}'.format(*memcacheoptions)], debug=0)