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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 load_crawler(self, crawler, url, ignore_regex):
 """ Loads the given crawler with the given url. :param class crawler: class of the crawler to load :param str url: url to start the crawler with :param regex ignore_regex: to be able to ignore urls that match this regex code """

        self.process = CrawlerProcess(self.cfg.get_scrapy_options())
        self.process.crawl(
            crawler,
            self.helper,
            url=url,
            config=self.cfg,
            ignore_regex=ignore_regex)